Model Options

Name: Dwyer Instruments RHP-2O20 | OSA 2% RH transmitter with 0-10 VDC RH output
Brand: Dwyer
SKU: RHP-2O20
Rating: 5 (1 reviews)

Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

Approvals CE

Sensor Type

Display

Hysteresis ±1%

Weight

Type Humidity and Temperature Transmitter

Accuracy

Relative Humidity Range: 0 to 100% RH

TEMPERATURE SENSOR >Types 1, 2, 3: Solid state band gap
Curves A,B,C; Thermistor
Curves D,E; Platinum RTD DIN 385. (See R-T Lookup Table)

Manufacturer Dwyer Instruments

Enclosure Rating Duct mount: NEMA 4X (IP66) for housing only; OSA: NEMA 4X (IP66)

Display Resolution

ENCLOSURE MATERIAL Duct mount sensor tube: PVC-UL 94 V-0; Duct mount sensor cap: Polycarbonate ABS blend-greater than UL 94 V-0; Duct mount electronics housing and cover: Makrolon® polycarbonate-UL 94V-HB; OSA: Polycarbonate.

Drift <1% RH/year

Connection

Response Time 15 s

Output Signal 4-20 mA; 0-5/10V @ 5 mA max

Power 4-20 mA loop powered models: 10-35 VDC; 0-5/10 V output models: 15-35 VDC or 15-29 VAC

Temperature Range

Storage Temperature -40 to 176°F (-40 to 80°C)

Temperature Limit: -40 to 140°F (-40 to 60°C)

Repeatability ±0.1% typical

Dwyer Instruments RHP-2O20 | OSA 2% RH transmitter with 0-10 VDC RH output

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Part Number : RHP-2O20

A passive temperature thermistor or RTD output is combined with the voltage or current humidity transmitter output in the Series RHP, Model RHP-2O20 humidity and temperature transmitter. Models with polymer capacitance humidity sensors come in 2%, 3%, or 5% accuracy options. A two-line alpha numeric LCD display is an optional feature for duct mounted transmitters.

Specification
Features
Catalog

Specifications

Details

Manufacturer

Dwyer Instruments

Type

Humidity and Temperature Transmitter

Relative Humidity

Range: 0 to 100% RH

Temperature Range

-40 to 140°F (-40 to 60°C)

Accuracy

RH: RHP-2XXX ±2% 10 to 90% RH @ 25°C;RHP-3XXX ±3% 20 to 80% RH @ 25°C;RHP-5XXX ±5% 20 to 80% RH @ 25°C

Accuracy

Thermistor Temp Sensor: ±0.2°C @ 25°C (±0.36°F @ 77°F)

Accuracy

RTD Temp Sensor: DIN Class B; ±0.3°C @ 0°C (±0.54°F @ 32°F)

Accuracy

Solid State Band Gap: ±0.9°F @ 77°F (±0.5°C @ 25°C)

Repeatability

±0.1% typical

Temperature

Limit: -40 to 140°F (-40 to 60°C)

Storage Temperature

-40 to 176°F (-40 to 80°C)

Temperature Range

Compensated: -4 to 140°F (-20 to 60°C)

Power

4-20 mA loop powered models: 10-35 VDC; 0-5/10 V output models: 15-35 VDC or 15-29 VAC

Output Signal

4-20 mA; 0-5/10V @ 5 mA max

Response Time

15 s

Connection

Electrical: Removable screw terminal block

Connection

Conduit: Duct Mount: 1/2" NPS; OSA: 1/2" (22.3 mm)

Drift

<1% RH/year

TEMPERATURE SENSOR

>Types 1, 2, 3: Solid state band gap
Curves A,B,C; Thermistor
Curves D,E; Platinum RTD DIN 385. (See R-T Lookup Table)

ENCLOSURE MATERIAL

Duct mount sensor tube: PVC-UL 94 V-0; Duct mount sensor cap: Polycarbonate ABS blend-greater than UL 94 V-0; Duct mount electronics housing and cover: Makrolon® polycarbonate-UL 94V-HB; OSA: Polycarbonate.

Enclosure Rating

Duct mount: NEMA 4X (IP66) for housing only; OSA: NEMA 4X (IP66)

Display

Duct Mount only, optional 2-line alpha numeric, 8 characters/lineRH: 0.1%; 0.1°F (0.1°C)

Display Resolution

RH: 0.1%; 0.1°F (0.1°C)

Weight

Duct Mount: .616 lb (.3 kg) OSA: 1 lb (.45 kg)

Approvals

Hysteresis

±1%

Sensor Type

Capacitance polymer