Opis

Gas sensor
This analog gas sensor has a small heating part with an electronical chemical sensor.
It is suitable for indoor usage.
The sensor can output exact values only after warmup phase.
Caution: sensor gets hot while usage!
Specifications
Measurement range
300 - 10000 ppm
Measureable substances
Compressed natural gas (CNG), methane (CH4)
Application areas
Detecting gas leaks, gas alarm, robotic, microcontroller projects
Compatible with
Raspberry Pi (with AD-converter), Arduino. etc.
Special features
High sensitivity which can be adjusted by potentiometer, quick reaction time
Analog Output
Values are processed by the microcontroller
Digital Output
thresholds can be set
Pins
VCC: Voltage supply 5V, GND: Ground, AOUT: Analog Output, DOUT: Digital Output
Response time
? 10 s
Recovery time
? 30 s
Heating current
? 180 mA
Heating resistance and power
31 ± 3?; ?900 mW
Working temperature
-20 - 55 ° C
Dimensions
52 x 20 x 18 mm
Weight
8 g
https://joy-it.net/en/products/SEN-MQ4