RS485 Modbus Temperature Humidity Pressure Light TVOC PM2.5 PM10 CO2 HCHO O3 O2 H2S CH4 CO NO2 SO2 H2 NH3 Air Quality Sensor

CWT-SAQ Series Air Quality Sensor ManualMeasuring parameters Parameters Range Resolution Precision Preheat time PM2.5 0~1000ug/m3 1ug/m3 ±10% ≤2min PM10 0~1000ug/m3 Temperature -40℃~+120℃ 0.1℃ ±0.5℃(25℃） Humidity 0%RH-100%RH 0.1%RH ±3%RH（60%RH,25℃） Air pressure 0~120Kpa 0.1Kpa ±0.15Kpa@25℃75Kpa Light 0~200000 Lux 1Lux ±7%(25℃) TVOC 0~60000ppb 1ppb ±8%FS±125ppb CO2 0~5000ppm 1ppm ±(40ppm+ 3%F·S) 2min-10min(max precision) HCHO 0~5ppm 0.01ppm ±5%FS ≥5 min O3 0~10ppm 0.01ppm ±6%FS ≥5 min O2 0~25%Vol 0.1%Vol ±3%FS ≥5 min H2S 0~100ppm 1ppm ±3%FS ≥5 min CH4 0~100%LEL 1%LEL ±5%FS ≥5 min CO 0~1000ppm 1ppm ±3%FS ≥5 min NO2 0~20ppm 0.1ppm ±3%FS ≥5 min SO2 0~20ppm 0.1ppm ±3%FS ≥5 min H2 0~1000ppm 1ppm ±3%FS ≥5 min NH3 0~100ppm 1ppm ±2%FS ≥5 min Test environment: temperature: 20℃, Humidity: 50%RH, atmospheres pressure :1pa, Basic parameters Power supply DC10-30V Working environment -10~+55℃ / 0 -95%RH output RS485 （Modbus RTU protocol） Material ABS mounting type wall mounted or ceiling mounted SizeWiringmounting type:wall mountedceiling mounted