MQ-3 Ethanol Sensor Module
This module is made using Alcohol Gas Sensor MQ3. It is a low-cost semiconductor sensor that can detect the presence of alcohol gases at concentrations from 0.05 mg/L to 10 mg/L. The sensitive material used for this sensor is SnO2, whose conductivity is lower in clean air.
1 in stock
![MQ-3 Ethanol Sensor Module](https://temperosystems.com.au/wp-content/uploads/2020/07/OKY3326-MQ-3-Alcohol-Gas-Detector-Alcohol-Ethanol-Sensor-Module-DT-4-300x300.jpg)
1 in stock
Specifications:
MQ-3 Ethanol Sensor Module
- Working voltage: 5V DC
- Chip: LM393, ZYMQ-3 Ethanol Gas sensors
- Interface: Analogue
- Pin definition: 1 – Output, 2 – GND, 3 – VCC
- Dual signal output: (Analog output and TTL level output)
- Gas Detection: alcohol, Ethanol,
- Fast response and high sensitivity
- Used in motor vehicles and other no drunken drivers homework personnel on-site testing, also used in other places of ethanol vapour detection.
MQ-3 Ethanol Sensor Module is for detecting Alcohol, Ethanol, smoke Due to its high sensitivity and fast response time, measurements can be taken as soon as possible. The sensitivity of the sensor can be adjusted by using the potentiometer.
Gas Sensor Comparison
Sensor | Detects | Heater Voltage |
---|---|---|
MQ-2 | Methane, Butane, LPG, smoke | 5V |
MQ-3 | Alcohol, Ethanol, smoke | 5V |
MQ-4 | Methane, CNG Gas | 5V |
MQ-5 | Natural gas, LPG | 5V |
MQ-6 | LPG, butane gas | 5V |
MQ-7 | Carbon Monoxide | Alternating 5V and 1.4V |
MQ-8 | Hydrogen Gas | 5V |
MQ-9 | Carbon Monoxide, flammable gasses. | Alternating 5V and 1.4V |
MQ131 | Ozone | 6V |
MQ135 | Air Quality (Benzene, Alcohol, smoke) | 5V |
MQ136 | Hydrogen Sulfide gas | 5V |
MQ137 | Ammonia | 5V |
MQ138 | Benzene, Toluene, Alcohol, Acetone, Propane, Formaldehyde gas, Hydrogen | 5V |
MQ214 | Methane, Natural gas | 6V |
MQ216 | Natural gas, Coal gas | 5V |
MQ303A | Alcohol, Ethanol, smoke | 0.9V |
MQ306A | LPG, butane gas | 0.9V |
MQ307A | Carbon Monoxide | Alternating 0.2V and 0.9V. |
MQ309A | Carbon Monoxide, flammable gasses | Alternating 0.2V and 0.9V |
MG811 | Carbon Dioxide (CO2) | 6V |
AQ-104 | Air quality | – |
Development Resources: demo codes, schematics, datasheets, etc
MQ-135 Product Overview:
Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, ammonia, sulfide, benzene, etc.
MQ-2 Product Overview:
Can be used in homes and factories leakage monitoring device suitable for the detection of natural gas, hydrogen, butane, propane, methane, smoke, etc.
MQ-3 Product Overview: MQ-3 Ethanol Sensor Module
Gas sensor sensitivity to alcohol can resist the interference of gasoline, smoke, water vapour. The sensor can detect a variety of alcohol concentration in the atmosphere.
Can be used for on-site detection of motor vehicle drivers (breathalyzer), but also for detecting other places of ethanol vapour, alcohol detection range: detection range 10 ~ 1000ppm
MQ-4 Product Overview:
MQ-4 Methane gas sensor of high sensitivity, propane, butane and has good sensitivity. The sensor can detect a variety of combustible gases, especially natural gas.
Can be used in homes and factories leakage monitoring device, suitable for the detection of liquefied petroleum gas, butane, propane, methane, smoke and the like.
MQ-5 Product Overview:
Main Chip: LM393, ZYMQ-5 gas sensor for liquefied petroleum gas (LPG), natural gas, city gas, best sensitivity.
Can be used for LPG detection, natural gas, coal gas monitoring device suitable for home or industrial. Excellent resistance to alcohol, smoke interference ability.
MQ-6 Product Overview:
MQ-6 gas sensor for propane, butane, LPG high sensitivity, natural gas and has good sensitivity. The sensor can detect a variety of combustible gas, suitable for a variety of applications.
Suitable for home or industrial on LPG (liquefied petroleum gas), butane, propane, LNG (liquefied natural gas) detection devices. Excellent resistance to ethanol vapour, mist interference.
MQ-7 Product Overview:
High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases, high-temperature (5.0V heating) cleaning cryo-adsorption stray gases. Using a simple circuit to change the conductivity, the concentration of the gas is converted to the corresponding output signal. MQ-7 gas sensor has a high sensitivity for carbon monoxide, this sensor can detect a variety of gases containing carbon monoxide, is a low-cost sensor for a variety of applications.
Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, etc.
MQ-8 Product Overview:
MQ-8 hydrogen gas sensor of high sensitivity monitoring of other hydrogen-containing gases.
Suitable for home or industrial hydrogen leak monitoring devices. Can not interfere with ethanol vapour, soot, carbon monoxide and other gases.
MQ-9 Product Overview:
High-low temperature cycling detection mode (1.5V heating) detecting carbon monoxide sensor’s conductivity increases with the air of carbon monoxide gas concentration increases, spurious adsorption at high temperature (5.0V heat) detection of combustible gases methane, propane, and cryogenic cleaning gas. MQ-9 gas sensor for high carbon monoxide, methane, liquefied petroleum gas sensitivity, this sensor can detect a variety of carbon monoxide and combustible gas, is a low-cost sensor suitable for a variety of applications.
Reference for Arduino and reference to all matters.
Notes:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.
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Weight | 0.008 kg |
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Dimensions | 3.2 × 2.2 × 2.7 cm |
Product Applications
Current Product Support
SKU | Product | Type | Download/View |
---|---|---|---|
OKY3326 | MQ-3 Ethanol Sensor Module - MQ-3 Data Sheet | Document | Download |