Manufacturer
Dwyer Instruments
Type
Particulate Matter Transmitter
Sensor Type
Laser scattering
Range
PMI-2.5: 0-500 µg/m3, particle size 0.3-2.5 µm
PMI-10: 0-600 µg/m3, particle size 0.3-10 µm
Accuracy
±10 µg/m3 @ 0-100 µg/m3
±10% reading @ 100-600 µg/m³ @ 25°C, 50% RH
Response Time
<10 s, continuous service mode
Maximum operating temperature
Operating: 32 to 122°F (0 to 50°C)
Storage: -22 to 158°F (-30 to 70°C)
Humidity
Limit: 0-95% RH (non-condensing)
Output
Current: 4-20 mA
Voltage: 0-10 VDC
Relay: SPST 3A, 30 VDC/250 VAC
RS-485/Modbus® (RTU)
Display
Optional 4-digit LCD
Housing Material
Wall mount: Polycarbonate (UL 94 V-0)
Duct mount: ABS and polycarbonate (UL 94 V-0)
Enclosure Rating
Wall mount: IP30
Duct mount: IP65 (housing), IP30 (probe)
Weight
Wall mount: 7.05 oz (200 g)
Duct mount: 9.5 oz (270 g)
Output Load Resistance
Current output: ≤500 Ω
Voltage output: ≥2 kΩ
Operating Life
MTBF more than 3 years in continuous service mode, service life up to 8-10 years in auto (intermittent) service mode