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RS485 Modbus Temperature Humidity Pressure Light TVOC PM2.5 PM10 CO2 HCHO O3 O2 H2S CH4 CO NO2 SO2 H2 NH3 Air Quality Sensor
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CWT-SAQ Series Air Quality Sensor Manual
Measuring 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 |
Size
Wiring
mounting type:
wall mounted
ceiling mounted
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