GAS Sensor Modules

Providing you the best range of mq-3 pcb module sensor, mq-2 alcohol gas detection sensor module, mq135 air quality detector sensor module, mq-4 methane gas sensor, mq-9 carbon monoxide gas sensor module and mq-135 air quality and hazardous gas sensor with effective & timely delivery.

MQ-3 PCB Module Sensor

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Approx. Rs 100 / PieceGet Latest Price

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Model Name/Number	MQ-3
Temperature Range	-2 Degree C ~ +20 Degree C
Sensor Type	Semiconductor
Standard Encapsulation	Bakelite (Black Bakelite)
Detection Gas	Alcohol gas
Concentration	0.04-4mg/l alcohol
Heater Voltage	DC 5.0V+/-0.2V
Humidity	65%+-5%RH

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MQ-2 Alcohol Gas Detection Sensor Module

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Approx. Rs 90 / PieceGet Latest Price

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Minimum Order Quantity	5 Piece
Humidity Range	65%+-5%RH
Model	MQ-2
Dimensions	36.4 X 26.6 mm
Operating Temperature	20 Degree C +/- 2 Degree C
Operating Voltage	3.3 V
Material	PCB

This is a generic Arduino gas sensor. It has MQ2 probe which can detect LPG, i-butane, propane, methane, alcohol, Hydrogen, smoke. It can be used in gas leakage detecting device in consumer and industry markets. It has a high sensitivity and fast response time. The sensitivity can be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. To ease the difficulty of using this sensor, a Gravity Interface is adapted to allow plug and play. The Arduino IO expansion shield is the best match for this senor connecting to your Arduino. As this sensor, It compatible with Raspberry Pi, Intel Edison, Joule and Curie.

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MQ135 Air Quality Detector Sensor Module

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Approx. Rs 150 / PieceGet Latest Price

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Minimum Order Quantity	5 Piece
Dimensions	32mm X22mm X27mm
Usage/Application	Air Quality Monitor
Operating Voltage	DC 5 V
Material	PCB
Detecting Range	100-1000 ppm
Model Number	MQ135

The MQ 135 Air Quality Detector Sensor Module For Arduino has lower conductivity in clean air. When the target combustible gas exists, the conductivity of the sensor is higher along with the gas concentration rising. Convert change of conductivity to the corresponding output signal of gas concentration. The MQ135 gas sensor has high sensitivity to Ammonia, Sulphide and Benzene steam, also sensitive to smoke and other harmful gases. It is with low cost and suitable for different applications such as harmful gases/smoke detection.

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Package Includes 1 x MQ 135Air Quality Sensor Module. Specifications and features Air Quality Sensor Module
Condition New
Main chip MQ-135
Type Analog & Digital
Sensitivity to Ammonia, Sulphide and Benzene steam
With signal output instructions
TTL output signal is low level
Color is showing pictures.
Sensitive for benzene, alcohol, smoke
Fast response and recovery
Adjustable sensitivity
Signal output indicator
Output voltage boosts along with the concentration of the measured gases increases
Please NOTE that due to lighting effects, monitor''''s brightness/contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item!

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MQ-4 Methane Gas Sensor

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Minimum Order Quantity	10 Piece
Model Name/Number	MQ-4
Size	32 mm X 22 mm X 27 mm
Humidity Range	65%+-5%RH
Operating Temperature	20 Degree C +/- 2 Degree C
Detecting Range	300 to 10000 ppm

This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ-4 Methane Gas Sensor as a gas sensing element. It requires no external components just plug in Vcc & ground pins and you are ready to go.For Digital output the threshold value can be easily set by an on-board potentiometer. Using this module you can easily interface MQ4 Methane (CNG) gas Sensor to any Microcontroller, Arduino or even Raspberry Pi.Since this Gas Sensor module is sensitive to Methane it is also small sensitivity to alcohol & smoke.

Specification of MQ4 GAS Sensor Module-Interface Type Analog & DigitalHigh Sensitivity to Methane & small sensitivity to smoke & alcoholLow Cost.Stable & Long Life.On board Power indication.

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MQ-9 Carbon Monoxide Gas Sensor Module

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Approx. Rs 125 / PieceGet Latest Price

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Minimum Order Quantity	10 Piece
Operating Voltage	AC/DC 5V +/- 0.2V
Material	PCB
Model Number	MQ-9
Working Temperature	-10 to 50 Degree C (Nominal Temperature 20 Degree C)
Working Current	140 mA

MQ-9 Semiconductor Sensor for CO/Combustible Gas Sensitive material of MQ-9 gas sensor is SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO when low temperature.

The sensor's conductivity is more higher along with the gas concentration rising. When high temperature, it detects Methane, Propane etc combustible gas and cleans the other gases adsorbed under low temperature. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration.

MQ-9 gas sensor has high sensitity to Carbon Monoxide, Methane and LPG. The sensor could be used to detect different gases contains CO and combustible gases, it is with low cost and suitable fo different application

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MQ-135 Air Quality and Hazardous Gas Sensor

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Approx. Rs 100 / PieceGet Latest Price

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Model Name/Number	MQ-135
Operating Temperature	-10 to +45 Degree C
Heating Voltage	5V+-0.1
Storage Temperature	-20 to +70 Degree C
Related Humidity	Less than 95%Rh
Heating Consumption	Less than 800 mw

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MQ-7 Gas Sensors

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Approx. Rs 100 / PieceGet Latest Price

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Model Name/Number	MQ-7
Working Temperature	-10 Degree C to 50 Degree C
Working Current	140 mA
Voltage	AC/DC 5V +/- 0.2V
Power Source	Electric
Pet Humanity	95 % RH
Frequency	50 Hz

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MQ-7 Carbon Monoxide Gas Sensor Module

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Approx. Rs 115 / PieceGet Latest Price

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Working Temperature	-10 to 50 Degree C
Voltage	AC/DC 5V +/- 0.2V
Working Humidity	95%RH
Resolution	+- 3 ppm
Measuring Range	0-300 ppm
Model Number	MQ-7

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MQ-3 Gas Sensor Module

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Storage Temperature	-20 Degree C ~ 70 Degree C
Related Humidity	Less than 95%RH
Operating Temperature	-10 Degree C-50 Degree C
Heating Voltage	AC/DC 5 V+/-0.1V
Working Current	15 mA
Model Number	MQ-3

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MQ-2 Gas Sensor Module

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Approx. Rs 75 / PieceGet Latest Price

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Voltage	3 - 5 V
Model Number	MQ-2
Working Current	15 mA
Operating Temperature	-20 to 70 Degree C
Size	30 x 16 mm
Working Humidity	Less Than 93 Percent RH

Smoke Detector

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MQ-2 Only Sensor

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Product Details:

Model Name/Number	MQ-2
Humidity Range	65%+-5%RH
Sensor Type	Semiconductor
Standard Encapsulation	Bakelite (Black Bakelite)
Heater Voltage	DC 5.0V+-0.2V
Heater Consumption	900 mW
Temperature	-2 Degree C ~ +60 Degree C