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MQ-3 Alcohol Ethanol Sensor Breath Gas Detection Sensor Module  for Arduino - products that work with official Arduino boards
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MQ-3 Alcohol Ethanol Sensor Breath Gas Detection Sensor Module for Arduino - products that work with official Arduino boards

- China
104971501821242439

0 Customer Reviews | Please refer to English description
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Descriptions

Main Features

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: 31Ω±3Ω
Heating Current: ≤180mA
Heating Voltage: 5V±0.2V
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:

1 x Alcohol module

 

If you want another model, you can click on the ID
 
ModelGas DetectionItem ID
MQ2flammable gas/smoke
 MQ3      alcohol steam
MQ4Natural gas/Methane
MQ5      Liquefied gas/Methane/Coal gas /LPG
MQ6       Liquefied gas/Isobutane/Propane/LPG
MQ7    Carbon monoxide
MQ8       hydrogen
MQ9        Carbon monoxide flammable gas
MQ131Ozone Concentration
MQ135  Ammonia/sulfide/benzene vapor
A set of MQ 



















Specification

Type
Voltage Regulator
Condition
New
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