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: 5.0±0.2VDC (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:24×20×15(L×W×H)
* Weight: About 20g
* Sensitivity : 1ppm hydrogen
* Sensitivity reduction:≤0.2%/year
* Life: ≥10 years
Interface definition
Output signal B
Output signal definition
A | B | Pollutiondegree |
low | low | 0 |
low | high | 1 |
high | low | 2 |
high | high | 3 |
remarks:the higher the pollution degree No.,the worse the air quality.
