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 ± 3Ω; ≤900 mW
Working temperature
-20 - 55 ° C
Additional information
Dimensions
52 x 20 x 18 mm
Weight
8 g
Items shipped
SEN-MQ4
EAN
4250236819952
Article No.
SEN-MQ4
