Contact Us


Current Position > Products

Product Name: MQ-3 Alcohol sensor sensor for ethanol alcohol sen

MQ-3 Alcohol Ethanol Sensor Module Breathalyser Gas Checker Breath Detector

MQ-3 Alcohol Ethanol Sensor Module Breathalyser Gas Checker Breath Detector


1, Size: 32mm X22mm X22mm

2, the main chip: LM393, MQ-3 gas sensor
3, work voltage: DC3-5V
4, with the signal output instructions;
5, dual output (analog output, and TTL level output);
6, TTL output valid signal is low, the microcontroller can be connected directly;
7, 0 ~ 5V analog output voltage, the higher the voltage the higher the concentration;
8, the ethanol vapor with high sensitivity and good selectivity;
9, with a long life and reliable stability;
10, Fast response characteristics;
11, Application:
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;