Alcohol sensor
This analog gas alcohol sensor on basis of hydrogen concentration 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
Ethan, Alcohol over the concentration of hydrogen
Application areas
F.i. breath alcohol tester, 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, low sensivity to benzine
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
≤ 1 s
Pick time after power on
≤ 30 s
Heating current
≤ 150 mA
Heating voltage
5 ±0.2 V / 1,5 ±0.1 V
Heating energy power
750 mW
Additional information
Dimensions
32 x 21 x 20 mm
Items shipped
SEN-MQ3
EAN
4250236819945
Article No.
SEN-MQ3
