Out of Stock
| Product Name | Type | Range | Accuracy | Manufacturer | Power | Maximum operating temperature | Response Time | POWER CONSUMPTION | Humidity | Output | Approvals |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dwyer Instruments CDT-2D40 | Carbon Dioxide Transmitter | Duct mount | 2000 ppm CO2 range | 4 to 20 mA / 0 to (5 or 10) VDC CO2 output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D44 | Carbon Dioxide Transmitter | Duct mount | 2000 ppm CO2 range | 4 to 20 mA / 0 to (5 or 10) VDC CO2 output & temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D4A | Carbon Dioxide Transmitter | Duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and 10K Ohm Type III thermistor temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D4B | Carbon Dioxide Transmitter | Duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and 10K Ohm Type II thermistor temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D4D | Carbon Dioxide Transmitter | Duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and PT100 Ohm RTD temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D4E | Carbon Dioxide Transmitter | Duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and PT1000 RTD temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2D4F | Carbon Dioxide Transmitter | Duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and 20K Ohm thermistor temperature output | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2E40 | Carbon Dioxide | Wall Mount | Universal current/voltage output | European Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2E40-LCD | Carbon Dioxide | Wall Mount | Universal current/voltage output | European Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2E44-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | European Housing | LCD Display. | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2E4B | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type II Thermistor Temperature Output | European Housing. | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2E4E | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | Pt1000 RTD Temperature Output | European Housing. | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N40 | Carbon Dioxide | Wall Mount | Universal current/voltage output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N40-LCD | Carbon Dioxide | Wall Mount | Universal current/voltage output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N44 | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N44-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4A | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type III Thermistor Temperature Output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4A-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type III Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4B | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type II Thermistor Temperature Output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4B-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type II Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4D | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | Pt100 RTD Temperature Output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4D-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | Pt100 RTD Temperature Output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4E | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | Pt1000 RTD Temperature Output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4E-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | Pt1000 RTD Temperature Output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4F | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 20K Thermistor Temperature Output | North American Housing | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4F-LCD | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 20K Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDT-2N4B-RLY | Carbon Dioxide/Temperature | Wall Mount | Universal current/voltage output | 10K Type II Thermistor Temperature Output | North American Housing with relay | Carbon Dioxide and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Temperature: 32 to 122°F (0 to 50°C) |
CO2: ±40 PPM + 3% of reading (2000 PPM CO2) ± 50 PPM + 5% of reading (5000 PPM CO2) RH: ±2% (10 to 90% RH) (for units configured with humidity output) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 2 min for 90% step change | Average: 2 w Peak: 3.75 w |
Limits: 0 to 85% (non-condensing) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) Relay: SPST NO rated 2A @ 30 VDC RTD or thermistor per Resistance vs. Temperature Table (depending on model) |
CE |
| Dwyer Instruments CDTA-2N000 | Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 2000 PPM Range | Communicating Carbon Dioxide Detectors | CO2 : 0 to 2000 or 5000 PPM CO 2 (depending on model) Humidity: 0 to 100% RH Temperature: 32 to 122°F (0 to 50°C) |
CO2 : ±40 PPM ±3% of reading 2000 PPM ±50 PPM + 5% of reading 5000 PPM RH: ±2% (10 to 90% RH) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 10-42 VDC / 10-30 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 min for 90% step change | - | Limits: 0 to 85% RH (non-condensing) | 2-wire RS-485, Modbus ® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTA-2N000-LCD | Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 2000 PPM Range | LCD Display | Communicating Carbon Dioxide Detectors | CO2 : 0 to 2000 or 5000 PPM CO 2 (depending on model) Humidity: 0 to 100% RH Temperature: 32 to 122°F (0 to 50°C) |
CO2 : ±40 PPM ±3% of reading 2000 PPM ±50 PPM + 5% of reading 5000 PPM RH: ±2% (10 to 90% RH) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 10-42 VDC / 10-30 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 min for 90% step change | - | Limits: 0 to 85% RH (non-condensing) | 2-wire RS-485, Modbus ® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTA-5N000 | Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 5000 PPM Range | Communicating Carbon Dioxide Detectors | CO2 : 0 to 2000 or 5000 PPM CO 2 (depending on model) Humidity: 0 to 100% RH Temperature: 32 to 122°F (0 to 50°C) |
CO2 : ±40 PPM ±3% of reading 2000 PPM ±50 PPM + 5% of reading 5000 PPM RH: ±2% (10 to 90% RH) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 10-42 VDC / 10-30 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 min for 90% step change | - | Limits: 0 to 85% RH (non-condensing) | 2-wire RS-485, Modbus ® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTA-5N000-LCD | Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 5000 PPM Range | LCD Display | Communicating Carbon Dioxide Detectors | CO2 : 0 to 2000 or 5000 PPM CO 2 (depending on model) Humidity: 0 to 100% RH Temperature: 32 to 122°F (0 to 50°C) |
CO2 : ±40 PPM ±3% of reading 2000 PPM ±50 PPM + 5% of reading 5000 PPM RH: ±2% (10 to 90% RH) Temperature: ±1°C @ 25°C |
Dwyer Instruments | 10-42 VDC / 10-30 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 min for 90% step change | - | Limits: 0 to 85% RH (non-condensing) | 2-wire RS-485, Modbus ® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTR-2D404 | Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & no temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2D4A4 | Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & 10 kO Type 3 thermistor temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | - | CE |
| Dwyer Instruments CDTR-2D4B4 | Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & 10 kO Type 2 thermistor temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2D4D4 | Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & Pt100 O RTD temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | Duct Air Velocity: 0-4000 FPM (20.32 m/s) | ±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
|
| Dwyer Instruments CDTR-2D4E4 | Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & Pt1000 O RTD temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2E404 | Carbon Dioxide/Humidity | Wall Mount | Universal current/voltage output | European Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2E4A4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type III Thermistor Temperature Output | European Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2E4A4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type III Thermistor Temperature Output | European Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2E4B4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type II Thermistor Temperature Output | European Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTV-2D404 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | No temperature | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2D4A4 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | 10K Ohm Type III temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | Duct Air Velocity: 0-4000 FPM (20.32 m/s) | CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2D4B4 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | 10K Ohm Type II temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2D4D4 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | PT100 Ohm RTD temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTR-2N404 | Carbon Dioxide/Humidity | Wall Mount | Universal current/voltage output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTV-2D4E4 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | PT1K Ohm RTD temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2D4F4 | Duct VOC & CO2 transmitter | Universal analog outputs | 2000PPM CO2 | 20K Ohm temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N404 | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | Average: 2 watts Peak: 3.75 watts |
32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | CO2: Single-beam, dual-wavelength NDIR; VOC: MEMS metal oxide semiconductor | - | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N404-LCD | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 with LCD display | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N4A4 | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 | 10K Ohm Type III temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N4A4-LCD | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 | 10K Ohm Type III temperature sensor with LCD display | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N4B4 | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 | 10K Ohm Type II temperature sensor | Carbon Dioxide/Volatile Organic Compound Transmitter | Duct Air Velocity: 0-4000 FPM (20.32 m/s) | CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTV-2N4B4-LCD | Wall Voc & CO2 transmitter | Universal analog outputs | 2000 ppm CO2 | 10K Ohm Type II temperature sensor with LCD display | Carbon Dioxide/Volatile Organic Compound Transmitter | CO2: 0 to 2000 or 0 to 5000 ppm (depending on model) VOC: 0 to 2000 ppm CO2 equivalent |
CO2: ±40 ppm ±3% of reading | Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | CO2: 2 minutes for 99% step change; VOC: 5 minutes | Average: 2 watts Peak: 3.75 watts |
- | Current: 0 to 20 mA, 4 to 20 mA, 0 to 10 mA, or 2 to 10 mA (depending on selection jumper, max 500 O) Voltage: 0 to 10 VDC, 2 to 10 VDC, 0 to 5 VDC, or 1 to 5 VDC (depending on selection jumper, min 500 O) Relay: SPST NO 2A @ 30 VDC |
CE |
| Dwyer Instruments CDTR-2N4A4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type III Thermistor Temperature Output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4A4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type III Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | Duct Air Velocity: 0-4000 FPM (20.32 m/s) | ±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4B4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type II Thermistor Temperature Output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4B4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 10 kO Type II Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4D4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | Pt100 O RTD Temperature Output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4D4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | Pt100 O RTD Temperature Output | North American Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4E4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | Pt1000 O RTD Temperature Output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4E4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | Pt1000 O RTD Temperature Output | North American Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4F4 | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 20 kO Thermistor Temperature Output | North American Housing | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-2N4F4-LCD | Carbon Dioxide/Temperature/Humidity | Wall Mount | Universal current/voltage output | 20 kO Thermistor Temperature Output | North American Housing | LCD Display | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDTR-5D404 | Carbon Dioxide/RH/Temperature Transmitter | 5000 ppm CO2 range | Duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & no temperature output | Carbon Dioxide, Relative Humidity and Temperature Transmitters | CO2: 0 to 2000 or 0 to 5000 PPM (depending on model) Relative humidity: 0 to 100% Temperature: 32 to 122°F (0 to 50°C) |
±40 PPM + 3% of reading (CO2) ±2% (RH) |
Dwyer Instruments | 16 to 35 VDC / 19 to 28 VAC | 32 to 122°F (0 to 50°C) | 2 minutes for 99% step change | Average: 2 watts Peak: 3.75 watts |
Limits: 10 to 95% RH (non-condensing) | Current: 4 to 20 mA (max 500 Ω) Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω) Relay: SPST NO 2A @ 30 VDC RTD or thermistor per r-t curves (depending on model) |
CE |
| Dwyer Instruments CDWP-02W-C5 | Industrial CO2 Transmitter | 0-2000 PPM range | Wall mount | With 5-8mm cable gland | - | CO2: 0 to 2000, 0 to 5000, or 0 to 10000 PPM (depending on model) | CO2: ±40 PPM + 3% of reading (2000 PPM); ±50 PPM + 5% of reading (5000 PPM); ±50 PPM + 10% of reading (10000 PPM) | - | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 300 s (t63) (2000 and 5000 PPM); 2 min for 90% step change (10000 PPM) | Average: 2 w Peak: 3.75 w |
Limits: 10 to 95% RH (non-condensing, 2000 and 5000 PPM); 0 to 85% RH (non-condensing, 10000 PPM) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) |
CE |
| Dwyer Instruments CDWP-05W-C5 | Industrial CO2 Transmitter | 0-5000 PPM range | Wall mount | With 5-8mm cable gland | - | CO2: 0 to 2000, 0 to 5000, or 0 to 10000 PPM (depending on model) | CO2: ±40 PPM + 3% of reading (2000 PPM); ±50 PPM + 5% of reading (5000 PPM); ±50 PPM + 10% of reading (10000 PPM) | - | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 300 s (t63) (2000 and 5000 PPM); 2 min for 90% step change (10000 PPM) | Average: 2 w Peak: 3.75 w |
Limits: 10 to 95% RH (non-condensing, 2000 and 5000 PPM); 0 to 85% RH (non-condensing, 10000 PPM) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) |
CE |
| Dwyer Instruments CDWP-10W-C1 | Industrial CO2 Transmitter | 0-10 |000 PPM range | Wall mount | With 1-6 mmcable gland | - | CO2: 0 to 2000, 0 to 5000, or 0 to 10000 PPM (depending on model) | CO2: ±40 PPM + 3% of reading (2000 PPM); ±50 PPM + 5% of reading (5000 PPM); ±50 PPM + 10% of reading (10000 PPM) | - | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 300 s (t63) (2000 and 5000 PPM); 2 min for 90% step change (10000 PPM) | Average: 2 w Peak: 3.75 w |
Limits: 10 to 95% RH (non-condensing, 2000 and 5000 PPM); 0 to 85% RH (non-condensing, 10000 PPM) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) |
CE |
| Dwyer Instruments CDWP-10W-C5 | Industrial CO2 Transmitter | 0-10 |000 PPM range | Wall mount | With 5-8mm cable gland | - | CO2: 0 to 2000, 0 to 5000, or 0 to 10000 PPM (depending on model) | CO2: ±40 PPM + 3% of reading (2000 PPM); ±50 PPM + 5% of reading (5000 PPM); ±50 PPM + 10% of reading (10000 PPM) | - | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 300 s (t63) (2000 and 5000 PPM); 2 min for 90% step change (10000 PPM) | Average: 2 w Peak: 3.75 w |
Limits: 10 to 95% RH (non-condensing, 2000 and 5000 PPM); 0 to 85% RH (non-condensing, 10000 PPM) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) |
CE |
| Dwyer Instruments CDTC-2N000 | Communicating carbon dioxide transmitter with temperature output | 2000 PPM range and North American housing | - | 0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature | ±40 PPM ±3% of reading carbon dioxide Temperature: ± 1°C @ 25°C |
- | 10-42 VDC or 10-30 VAC | 32 to 122°F (0 to 50°C) | <2 minutes, diffusion, carbon dioxide | - | Limits: 10 to 95% RH (non-condensing) | 2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTC-2N000-LCD | Communicating carbon dioxide transmitter with temperature output | 2000 PPM range | North American housing and LCD display | - | 0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature | ±40 PPM ±3% of reading carbon dioxide Temperature: ± 1°C @ 25°C |
- | 10-42 VDC or 10-30 VAC | 32 to 122°F (0 to 50°C) | <2 minutes, diffusion, carbon dioxide | - | Limits: 10 to 95% RH (non-condensing) | 2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTC-5N000 | Communicating carbon dioxide transmitter with temperature output | 5000 PPM range and North American housing | - | 0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature | ±40 PPM ±3% of reading carbon dioxide Temperature: ± 1°C @ 25°C |
- | 10-42 VDC or 10-30 VAC | 32 to 122°F (0 to 50°C) | <2 minutes, diffusion, carbon dioxide | - | Limits: 10 to 95% RH (non-condensing) | 2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDTC-5N000-LCD | Communicating carbon dioxide transmitter with temperature output | 5000 PPM range | North American housing and LCD display | - | 0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature | ±40 PPM ±3% of reading carbon dioxide Temperature: ± 1°C @ 25°C |
- | 10-42 VDC or 10-30 VAC | 32 to 122°F (0 to 50°C) | <2 minutes, diffusion, carbon dioxide | - | Limits: 10 to 95% RH (non-condensing) | 2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol | BTL, CE |
| Dwyer Instruments CDWP-05W-C1 | Industrial CO2 Transmitter | 0-5000 PPM range | Wall mount | With 1-6mm cable gland | - | CO2: 0 to 2000, 0 to 5000, or 0 to 10000 PPM (depending on model) | CO2: ±40 PPM + 3% of reading (2000 PPM); ±50 PPM + 5% of reading (5000 PPM); ±50 PPM + 10% of reading (10000 PPM) | - | 16-35 VDC or 19-28 VAC | 32 to 122°F (0 to 50°C) | 300 s (t63) (2000 and 5000 PPM); 2 min for 90% step change (10000 PPM) | Average: 2 w Peak: 3.75 w |
Limits: 10 to 95% RH (non-condensing, 2000 and 5000 PPM); 0 to 85% RH (non-condensing, 10000 PPM) | Current: 4-20 mA (max. 500 Ω) Voltage: 0-5 VDC or 0-10 VDC (min. 500 Ω) |
CE |
| Dwyer Instruments CMT-DN-D | Duct mount carbon monoxide transmitter | 4-20 mA and 2-10 VDC outputs | With display | - | 0 to 125 PPM CO | ±2.5% of reading | - | 24 VDC/VAC at 100 mA | - | Less than 60 seconds typical for 90% step change | - | - | Current/Voltage: 4 to 20 mA and 2 to 10 VDC Optional Relay: (2) SPDT 1 Amp dry contact |
- |
| Dwyer Instruments CMT-DN | Duct mount carbon monoxide transmitter | With 4-20 mA and 2-10 VDC outputs | - | 0 to 125 PPM CO | ±2.5% of reading | - | 24 VDC/VAC at 100 mA | - | Less than 60 seconds typical for 90% step change | - | - | Current/Voltage: 4 to 20 mA and 2 to 10 VDC Optional Relay: (2) SPDT 1 Amp dry contact |
- |
| Dwyer Instruments GSTA-C | Carbon Monoxide Transmitter with universal current/voltage outputs | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-C-D | Carbon Monoxide Duct Mount Transmitter with universal current/voltage outputs | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-C-D-FC | Carbon monoxide duct mount transmitter with universal current/voltage outputs | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-C-FC | Carbon monoxide transmitter with universal current/voltage outputs | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-C-LCD | Carbon Monoxide Transmitter with universal current/voltage outputs | LCD display | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-C-LCD-FC | Carbon monoxide transmitter with universal current/voltage outputs | LCD display | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N | Nitrogen Dioxide Transmitter with universal current/voltage outputs | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N-D | Nitrogen Dioxide Duct Mount Transmitter with universal current/voltage outputs | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N-D-FC | Nitrogen duct mount transmitter with universal current/voltage outputs | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N-FC | Nitrogen transmitter with universal current/voltage outputs | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N-LCD | Nitrogen Dioxide Transmitter with universal current/voltage outputs | LCD display | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTA-N-LCD-FC | Nitrogen transmitter with universal current/voltage outputs | LCD display | Includes factory calibration certificate | - | CO: Switch selectable 200 or 500 PPM NO2: 10 PPM |
CO: ±2% FS NO2: ±3% FS, at the time of calibration |
- | Current output: 10-35 VDC Voltage output: 15-35 VDC or 15-29 VAC |
Ambient: -4 to 122°F (-20 to 50°C) | <45 seconds to 90% CO, <25 to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments CMT200 | Carbon Monoxide Transmitter | 0 to 200 PPM CO | 4 to 20 mA/2 to 10 VDC outputs. | - | 0 to 200 ppm | ±2% FS at the time of calibration | - | Current Output: 18 to 28 VDC Voltage Output: 18 to 28 VDC/VAC, reverse polarity protected |
-4 to 122°F (-20 to 50°C) | <45 s. to 90% of final value | - | Limits: 15 to 90% RH constant 0 to 99% RH intermittent |
Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (load must be >50 kΩ) | CE |
| Dwyer Instruments CMT200-FC | Carbon monoxide transmitter | 0-200 PPM CO | 4-20 mA/2-10 VDC outputs | Includes factory calibration certificate | - | 0 to 200 ppm | ±2% FS at the time of calibration | - | Current Output: 18 to 28 VDC Voltage Output: 18 to 28 VDC/VAC, reverse polarity protected |
-4 to 122°F (-20 to 50°C) | <45 s. to 90% of final value | - | Limits: 15 to 90% RH constant 0 to 99% RH intermittent |
Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (load must be >50 kΩ) | CE |
| Dwyer Instruments CMT200-R | Carbon Monoxide Transmitter | 0 to 200 PPM CO | 4 to 20 mA/2 to 10 VDC outputs | Rectangular enclosure | - | 0 to 200 ppm | ±2% FS at the time of calibration | - | Current Output: 18 to 28 VDC Voltage Output: 18 to 28 VDC/VAC, reverse polarity protected |
-4 to 122°F (-20 to 50°C) | <45 s. to 90% of final value | - | Limits: 15 to 90% RH constant 0 to 99% RH intermittent |
Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (load must be >50 kΩ) | CE |
| Dwyer Instruments CMT200-R-FC | Carbon monoxide transmitter | 0-200 PPM CO | 4-20 mA/2-10 VDC outputs | Rectangular enclosure | Includes factory calibration certificate | - | 0 to 200 ppm | ±2% FS at the time of calibration | - | Current Output: 18 to 28 VDC Voltage Output: 18 to 28 VDC/VAC, reverse polarity protected |
-4 to 122°F (-20 to 50°C) | <45 s. to 90% of final value | - | Limits: 15 to 90% RH constant 0 to 99% RH intermittent |
Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (load must be >50 kΩ) | CE |
| Dwyer Instruments GSTC-C | Carbon Monoxide Transmitter with BACnet & Modbus Communication | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-C-D | Carbon Monoxide Duct Mount Transmitter with BACnet & Modbus Communication | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-C-D-FC | Carbon monoxide duct mount transmitter with BACnet & Modbus® communication | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-C-FC | Carbon monoxide transmitter with BACnet & Modbus® communication | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-C-LCD | Carbon Monoxide Transmitter with BACnet & Modbus Communication with Integral LCD Display | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-C-LCD-FC | Carbon monoxide transmitter with BACnet & Modbus® communication | LCD display | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-N | Nitrogen Dioxide Transmitter with BACnet & Modbus Communication | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-N-D | Nitrogen Dioxide Duct Mount Transmitter with BACnet & Modbus Communication | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-N-D-FC | Nitrogen Dioxide duct mount transmitter with BACnet & Modbus® communication | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-N-FC | Nitrogen Dioxide transmitter with BACnet & Modbus® communication | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
Drift: <5% per year in air | - | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | CO: 2% FS NO2: 3% FS, at the time of calibration |
CE |
| Dwyer Instruments GSTC-N-LCD | Nitrogen Dioxide Transmitter with BACnet & Modbus Communication with Integral LCD Display | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments GSTC-N-LCD-FC | Nitrogen Dioxide duct mount transmitter with BACnet & Modbus® communication | LCD display | Includes factory calibration certificate | - | CO: 0 to 500 PPM NO2: 10 PPM |
CO: 2% FS NO2: 3% FS, at the time of calibration |
- | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC | -4 to 122°F (-20 to 50°C) | <45 s to 90% CO, <25 s to 90% NO2 | - | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent | Drift: <5% per year in air | CE |
| Dwyer Instruments CMS300 | Carbon monoxide transmitter & switch | 0-300 PPM | 4-20 mA/2-10 V (maximum load 2K Ω) | Switch: Single-pole double-throw (SPDT) | 0-300 PPM | ±5 PPM or 5% of reading for 0-300 PPM (whichever is greater) | - | - | - | <45 seconds to 90% of final value | - | Range: 15-90% RH constant; 0-99% RH intermittent | Drift: <5% per year in air | Sensor is UL recognized component for ANSI/UL-2034, UL-2075, E340403, CE |
| Dwyer Instruments CMS300-FC | Carbon monoxide transmitter & switch | 0-300 PPM | 4-20 mA/2-10 V (maximum load 2K Ω) | Includes factory calibration certificate | Switch: Single-pole double-throw (SPDT) | 0-300 PPM | ±5 PPM or 5% of reading for 0-300 PPM (whichever is greater) | - | - | - | <45 seconds to 90% of final value | - | Range: 15-90% RH constant; 0-99% RH intermittent | Analog: Jumper selectable 4 to 20 mA (loop powered) or 2 to 10 V (maximum load 2 kΩ) | Sensor is UL recognized component for ANSI/UL-2034, UL-2075, E340403, CE |
Dwyer_Instruments_CDT-2E44.pdf 
