All in one CO2 Air Quality Sensor

♦RS485 All in one Air Quality Sensor.

♦Inside Sensirion SensorHigh accuracy & fast response.

♦STM32L MCULow power Consumption.

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All in one CO2 Air Quality Sensor 

All in one RS485 Modbus Noise Temperature Humidity Illumination TVOC PM2.5 PM10 CO2 Air Quality Sensor

Model Specification
SCH-SAQ-8CH Air Quality Sensor (8 in 1),RS485 output
SCH-SAQ-10CH Air Quality Sensor (10 in 1),RS485 output

Parameters Measuring parameters

Items Range Resolution Precision
Noise 30-90dF 1 dB ±3dB
illuminatior 0~60000 Lux 1 Lux ±5%
CO2 400~60000ppm 1 ppm ±(30ppm+3%F·S
TVOC 0~60000ug/m3 1  ug/m³ ±50ug/m3
HCHO 0~1000ug/m3 1 ug/m3 ±25%
PM2.5 0~1000ug/m3 1 ug/m3 ±10%
PM10 0~1000ug/m3 1 ug/m3 ±10%
PM1.0 0~1000ug/m3 1 ug/m3 ±10%
Temperature -40℃~+120℃ 0.1℃ ±0.5℃(25°℃)
Humidity 0%RH-100%RH 0.1%RH ±3%RH(60%RH,25℃)

Basic parameters

Power supply DC5V
Working environment -10~+60℃/0 -95%RH
Output RS485(Modbus RTU protocol
Preheating time <3 minutes
Material ABS
Mounting type wall mounted or ceiling mounted

RS485 All in one Air Quality Sensor

 Air Quality Sensor fast response

Air Quality Sensor Low power Consumption

Air Quality Sensor Air Quality Sensor


What is your payment term?

T/T,Western Union,L/C,and Paypal.This is negotiable.


Do you give any discount ?

I'll surely try my best to help you get those by the best price and good service at the same time.


Can I buy samples placing orders?

Yes.Please feel free to contact us.


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