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WS400 Air Quality Transmitter

WS400 four-parameter air quality sensor (outdoor) is used for the current smart city and smart environmental monitoring field. It is designed to monitor the outdoor parameters of atmospheric outdoor PM2.5, PM10, ambient temperature, and relative humidity. Apparatus with exquisite appearance, high integration, and powerful functions. It can expand four kinds of pollution gases (CO, NO2, SO2, O3) and H2S, volatile organic pollutants or other meteorological sensors (wind speed, wind direction, atmospheric pressure, Rainfall, or solar radiation).

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Product Introduction

Measture item	Principle	Range	Resolution	Accuracy
Atmospheric temperature	Energy gap method	-40-60℃	0.01℃	±0.3℃@25℃
Atmospheric humidity	Capacitance method	0-100%RH	0.01%	±3%RH(<80%RH No condensation)
PM2.5	Laser way	0-1000μg/m³	1μg/m³	±10%(<500μg)
PM10	Laser way	0-1000μg/m³	1μg/m³	±10%(<500μg)

Supply	12-24VDC
Output	RS485(Modbus)
fixed form	Sleeve fixed, flange fixed
Power consumption	<1w@12V
Ingress Protection	IP65
Work Environment	Temperature: -40-70℃;Humidity: 5-90%RH
Add function	● data collector (net port, GPRS) ● Fixed brackets (1.5m, 3m) constitute a complete set of monitoring station ●B/S architecture software platform, mobile APP client software (android version only) ● Solar power system
Main material	ASA+engineering plastics
Wiring method	Red: Power+ Black: Power- Yellow: RS485+ Blue: RS485-

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