MQ3 Alcohol Gas Sensor Module

MQ3 Alcohol Gas Sensor Module

For motor vehicle drivers and other non-drink operations of on-site inspection, but also for other places of ethanol vapor detection, detection of alcohol range: detection range of 10 ~ 1000ppm.

Features/Specs

• Size: approx. 32 x 22 x 27mm
• Main chip: LM393, ZYMQ-3 gas detector
• Working Voltage: DC 5V
• With signal output instructions.
• Two-way signal output (TTL level output and analog output).
• TTL output effectively signal for low level(when the output low level signal lights, can directly connected microcomputer).
• Analog output 0 ~ 5v voltage, the higher the concentration, the higher the voltage.
• Has a high sensitivity and good selectivity.
• Has long service life and reliable stability.
• Rapid response recovery features.
• For motor vehicles and other prohibition drunken drivers homework personnel on-site testing, also used in other places of ethanol vapor detection.

Note: Product Images are shown for illustrative purposes only and may differ from actual product