PHG transmitter measures CO2 concentration, up to 3000 ppm, in-door atmospheres and converts it into standard current 4-20mA. It is possible 0-20mA, or 0-10V ordered.
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Deascription:_Low cost_ Dual NDIR sensor built-in_ For HVAC and food processing applications_ Good accuracy, sensitivity and selectivity_ Low humidity and temperature dependence_ Duct mounting variantPHG model uses dual nondispersiveinfrared (NDIR) carbon-dioxide sensor providing improvedaccuracy and sensitivity as well as low temperature and humiditydependence.PHG mounting variants include free or ductinstallation with top or bottom mounted connector.PHG application area includes indoor air control, ventilation, air-conditioning,mushroom control, etc.Technical specificationsInput type: Non-dispersive Infrared CO2 cellMeasurement range: 0...3000 ppmIt is possible: 0...5000/10000 ppm - orderedAccuracyMeasurement error : ± 2 ppm (0…3000 ppm) at 10…50 °CTemperature dependence: 10 ppm for 1 °CWarm-up time: max. 90 s (at 25 °C)Response time (0…80%): max. 30 s (w/o sintered filter) Operating conditionsOutput signal: 4…20mA It is possible and: 0...20mA or 0…10V - orderedOutput update: 2 sMinimum output load: 1 MOhm for 0…10VMaximum output load: 350 Ohm at 20 mAOver-scale limit: (35+/-2)mA or (17+/-2)VPower supply: 15...32 VDCAdmissible variations: 1 Vp-p at 50 HzConsumption: max. 90 mAOperating temperature: 0...50 °COperating humidity: 0...85 %RH, non-condensingStorage temperature: -10...60 °CDesign and materialsCase material: ABS/PC plasticInlet material: POM plasticHousing dimensions (no connector): 80x80x70 mmWiring: 4-pin 812 connectorSensor protection: plastic cap with polyester filterSintered filter (option): stainless steel, 75 μm - orderedProtection class: IP65 (excluding gas inlet)Weight: 250g
