Air quality module

Feature                                                                 Applications

       * Long life                                                   * Air purifier                      

* High sensitivity                                             * Air quality monitoring                           

* Automatic calibration                                  * Air ventilation system

* Comes with temperature & humidity compensation        

       * Low cost     

Spec

* Module model:    AQM-300C

* Sensor: AQS501 air quality monitoring sensor

* Gas detection: ammonia, hydrogen, alcohol, carbon monoxide, methane, propane, Gan alkyl, styrene, propylene glycol, phenol, toluene, ethylbenzene, xylene, formaldehyde and other volatile organic gas, such as cigarettes, wood , paper burning smoke.

* Physical interface:      XH2.54-4 vertical outlet

* Output data: TTL level(built-in 200ohm current limiting resistance)

* Input voltage:      5.00.2VDC (without voltage reverse polarity protection)

* Operating current:      80mA

* Warm-up time:    2 minutes

* Response time:    10 seconds

* Recovery time:    20 seconds

* Operating temperature:       -10 --- 40

* Operating humidity:    95%RH

* Storage temperature:   -20 --- 60

* Storage humidity:       60%RH

* Dimension:  242015(LWH)

* Weight :    About 20g

* Sensitivity   :    1ppm hydrogen

* Sensitivity reduction:0.2%/year

* Life:     10 years

Interface definition

1.  Power supply negative  -

2.  Power supply positive  +

3.  Output signal A

4.  Output signal B

Output signal definition

remarks:the higher the pollution degree No.,  the worse the air quality.