Mini Size Alcohol Sensor for C2H5OH Tester and Detector

Place of Origin:

Henan, China

Brand Name:

Winsen

Model Number:

MQ303b

Usage:

Gas Sensor

Theory:

Resistance Sensor

Output:

Switching Transducer

Model:

MQ303B

Detection Gas:

C2H5OH, Alcohol

Detection Range:

25~500ppm

Sensor Type:

Semiconductor

Loop Voltage:

0.9V±0.1V AC or DC

Heater Voltage:

≤6V DC

Heater Resistance:

4.0Ω±0.5Ω(room temp.)

Heater consumption:

≤140mW

resistance of sensitive material:

1KΩ~400KΩ(in air)

Tem. Humidity:

20℃±2℃ 55%±5%RH