10Pcs MQ-3 Alcohol Sensor Breath Gas Detection Module For Arduino

Description:

The main chip: LM393, MQ-3 gas sensor
Operating voltage: DC3-5V
Response time: 10s (70% Response)
Recovery time: 30s (70% Response)
Heating resistance: 313
Heating Current: 180mA
Heating Voltage: 5V0.2V
Heating Power: 900mW
detect Voltage: 15V
Ambient Temperature: -10??to 65??
Humidity: 95%RH
Storage conditions: Temperature:-20??70??Humidity: 70%RH

Features:

Signal output instructions;
Dual signal output (analog output, and TTL level output);
TTL output valid signal is low, can be connected directly to the microcontroller;
0 ~ 5V analog output voltage, the higher the concentration the higher the voltage;
Has a high sensitivity and good selectivity to ethanol vapor;
Has a long life and reliable stability;
Rapid response recovery characteristics;

Applications:

For motor vehicle drivers and other non-drinking and operating personnel on-site testing, also used in other places of ethanol vapor detection, detection of alcohol: detection range of 10 to 1000ppm

Package included:

10 X Alcohol module