Hemal Electronics

Hemal Electronics

Grant Road, Mumbai, Maharashtra

GST No. 27AGVPG2952Q1ZI
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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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Product Details:

Model Name/NumberMQ-3
Temperature Range-2 Degree C ~ +20 Degree C
Sensor TypeSemiconductor
Standard EncapsulationBakelite (Black Bakelite)
Detection GasAlcohol gas
Concentration0.04-4mg/l alcohol
Heater VoltageDC 5.0V+/-0.2V
Humidity65%+-5%RH

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MQ-2 Alcohol Gas Detection Sensor Module

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  • MQ-2 Alcohol Gas Detection Sensor Module
  • MQ-2 Alcohol Gas Detection Sensor Module
  • MQ-2 Alcohol Gas Detection Sensor Module
  • +1 MQ-2 Alcohol Gas Detection Sensor Module

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Approx. Rs 90 / PieceGet Latest Price

Product Details:

Minimum Order Quantity5 Piece
Humidity Range65%+-5%RH
ModelMQ-2
Dimensions36.4 X 26.6 mm
Operating Temperature20 Degree C +/- 2 Degree C
Operating Voltage3.3 V
MaterialPCB

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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  • MQ135 Air Quality Detector Sensor Module
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Approx. Rs 150 / PieceGet Latest Price

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Minimum Order Quantity5 Piece
Dimensions32mm X22mm X27mm
Usage/ApplicationAir Quality Monitor
Operating VoltageDC 5 V
MaterialPCB
Detecting Range100-1000 ppm
Model NumberMQ135

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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  • MQ-4 Methane Gas Sensor
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  • MQ-4 Methane Gas Sensor

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Approx. Rs 100 / PieceGet Latest Price

Product Details:

Minimum Order Quantity10 Piece
Model Name/NumberMQ-4
Size32 mm X 22 mm X 27 mm
Humidity Range65%+-5%RH
Operating Temperature20 Degree C +/- 2 Degree C
Detecting Range300 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 Quantity10 Piece
Operating VoltageAC/DC 5V +/- 0.2V
MaterialPCB
Model NumberMQ-9
Working Temperature-10 to 50 Degree C (Nominal Temperature 20 Degree C)
Working Current140 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

Product Details:

Model Name/NumberMQ-135
Operating Temperature-10 to +45 Degree C
Heating Voltage5V+-0.1
Storage Temperature-20 to +70 Degree C
Related HumidityLess than 95%Rh
Heating ConsumptionLess than 800 mw

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MQ-7 Gas Sensors

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Approx. Rs 100 / PieceGet Latest Price

Product Details:

Model Name/NumberMQ-7
Working Temperature-10 Degree C to 50 Degree C
Working Current140 mA
VoltageAC/DC 5V +/- 0.2V
Power SourceElectric
Pet Humanity95 % RH
Frequency50 Hz

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MQ-7 Carbon Monoxide Gas Sensor Module

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Approx. Rs 115 / PieceGet Latest Price

Product Details:

Working Temperature-10 to 50 Degree C
VoltageAC/DC 5V +/- 0.2V
Working Humidity95%RH
Resolution+- 3 ppm
Measuring Range0-300 ppm
Model NumberMQ-7

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MQ-3 Gas Sensor Module

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Product Details:

Storage Temperature-20 Degree C ~ 70 Degree C
Related HumidityLess than 95%RH
Operating Temperature-10 Degree C-50 Degree C
Heating VoltageAC/DC 5 V+/-0.1V
Working Current15 mA
Model NumberMQ-3

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MQ-2 Gas Sensor Module

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Approx. Rs 75 / PieceGet Latest Price

Product Details:

Voltage3 - 5 V
Model NumberMQ-2
Working Current15 mA
Operating Temperature-20 to 70 Degree C
Size30 x 16 mm
Working HumidityLess Than 93 Percent RH

Smoke Detector

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MQ-2 Only Sensor

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Approx. Rs 75 / PieceGet Latest Price

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Product Details:

Model Name/NumberMQ-2
Humidity Range65%+-5%RH
Sensor TypeSemiconductor
Standard EncapsulationBakelite (Black Bakelite)
Heater VoltageDC 5.0V+-0.2V
Heater Consumption900 mW
Temperature-2 Degree C ~ +60 Degree C

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MQ-9 PCB Modules Gas Sensors

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Approx. Rs 125 / PieceGet Latest Price

Product Details:

Model Name/NumberMQ-9
Humidity Range65%+-5%RH
Size32 x 20 x 22 mm
Concentration10-1000 ppm
Power SourceElectric

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MQ-6 Gas Sensor Module

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Product Details:

Sensing Area8 mm x 8 mm
VoltageAC 230V
Working Temperature20 ~ +60 Degree C
Working HumidityLess Than 93 Percent RH
Model NumberMQ-6

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