Integrated Air Quality Sensor Module (CO2+VOC+HCHO)
+86 18854156199 
+86 18854156199 
cindy@rainbowtechnology.cn

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PRODUCT DESCRIPTION


3 in 1 Integrated Air Quality Sensor Module (CO2+VOC+HCHO)


Based on MEMS gas sensor, the Integrated 3 i n 1 sensor module is used to measure VOCs levels, it also provides eCO2 and HCHO equivalent predictions.
The data is available via I2C, UART or PWM.
The surface of the MEMS gas sensor can be protected by a filter film, and the air quality sensor module can be assembled with plug-in board or SMT according to the needs.


Feature

Accuracy: 0.1ppm

Power supply voltage: 3.3V

Reliable evaluation of indoor air quality
Built-in Temp. compensation and external Humidity compensation available
High sensitivity and fastresponse
Low power consumption (< 66mW)
Automatic baseline correction
The baseline resettable, the storage status settable
Robust design, excellent long-term stability
Highly flexible communication interface
Optional waterproof, oil drainage and dust prevention cover


Performance parameter

ItemDescription
Sensing PrincipleMEMS Metal Oxide Semiconductor Sensors
Sensing Range400-5000 ppm CO2 Relative Equivalent
0 – 50000 ug/m3 TVOC Relative Equivalent
0 – 2000 ug/m3 HCHO Relative Equivalent
Preheat Time3 minutes
CommunicationI2C, UART, PWM
Calibration method

Intelligent automatic baseline calibration, the reference value can be reset, and the reference value can be stored when power off (default is not stored)


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Power Requirements

ItemSpecification
Voltage
3.3V±0.1V, max. 20mV ripple
Power Consumption
Max. 66mW @3.3VDC (20mA)
Test Interval1 Sec./ measurement


For test video, please visit our Youtube.

https://www.youtube.com/watch?v=LBuRxdFJ54s

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