Product description
The sensor is used, for example, in air quality control equipment for buildings and offices. It is suitable for detecting ammonia (NH3), nitrogen oxides (NOx), alcohol, benzene, smoke, carbon dioxide (CO2), etc.
A popular sensor – widely supported with many examples for various platforms.
Function:
The sensor consists of a microporous AL2O3 ceramic tube with a sensitive layer of tin dioxide (SnO2), measuring electrodes, and a heating element. These components are enclosed in a housing made of plastic and stainless steel mesh. The heater provides the necessary operating conditions for the sensor to function properly.
Specifications:
- Operating voltage: 5 V
- Current consumption: 40 mA
- Outputs: Digital and analog
Pinout:
- AO: Analog output
- DO: Digital output
- GND: Ground
- VCC: 5 V power supply
