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
100 - 1000 ppm
Measureable substances
Hydrogen (H2), diverse hydrogenous gases
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, detection of a wide range of concentrations
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
Heating voltage
5.0 V ± 0.1 V
Heating resistance
29 Ω ± 3 Ω at room temperature
Heating power
≤ 900 mW
Sensitivity
Rs (in air)/ Rs (1000ppm H2) ≥5
Operating temperature
-10 - 50 °C
Additional information
Dimensions
52 x 20 x 18 mm
Weight
8 g
Items shipped
SEN-MQ8
EAN
4250236819990
Article No.
SEN-MQ8
