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Rajguru Electronics (I) Private Limited


Gas Sensors

Our firm is counted among the most prominent suppliers and traders of Gas Sensors. Under this category we offer a spectacular gamut of Flammable Gas & Smoke Sensor, Alcohol Gas Sensor, .Methane CNG Gas Sensor and LPG & Natural GAS Sensor, LPG GAS Sensor, Carbon Monoxide Sensor, Air Quality Sensor, Alcohol Sensor, Hydrogen Gas Sensor. The offered range is highly in accordance with the set quality norms and standards and can be availed in desired specifications from us. Owing to their reliable performance, high sensitivity and longer service life, our products are highly preferred in the industry.


MQ-6 Gas Detector Module Sensors

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MQ-6 Gas Detector Module Sensors
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Approx. Rs 150 / PieceGet Latest Price

Product Details:
Sensor TypeSemiconductor
Standard EncapsulationBakelite (Black Bakelite)
Detection GasIsobutane, Butane, LPG
Concentration300-10000ppm ( Butane, Propane, LPG)
Preheat timeOver 48 hours
Loop Voltage Vcless than equal to 24V DC
Load Resistance RLAdjustable

Description :

Sensitive material MQ-6 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). When there is the environment in which the combustible gas sensor , conductivity sensor with increasing concentration of combustible gases in air increases . Using a simple circuit to convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-6 gas sensor for propane , butane , liquefied petroleum gas sensitivity is high, natural gas and has a good sensitivity. This sensor can detect a variety of flammable gas , is a low-cost sensors for a variety of applications

Suitable for home or industrial LPG ( liquefied petroleum gas ) , butane , propane , LNG ( liquefied natural gas ) detection devices. Excellent resistance to ethanol vapor , smoke interference Module

Features :

1 , using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2 , the switching signal having a DO (TTL) output and analog output AO ;
3, TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
4 , 0 ~ 5V analog output voltage , the higher the concentration the higher the voltage.
5 , propane , butane , LPG, LNG has a good detection sensitivity.
6 , there are four screw holes for easy positioning ;
7 Product dimensions : 32 (L) * 20 (W) * 22 (H)
8 , has a long life and reliable stability
9 , rapid response and recovery characteristics
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MQ-7 Carbon Monoxide Gas Module Sensors

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MQ-7 Carbon Monoxide Gas Module Sensors
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Approx. Rs 175 / PieceGet Latest Price

Product Details:
Detection of gasCarbon Gas
The heating voltage5V +/- 0.2V AC/DC
Working temperature-10 to 50 degC (nominal temperature 20degC)
Working current140mA
Loop voltage10V (maximum DC 15V
Load resistance10K (adjustable)
Detection concentration range10-1000ppm
Humidity95% RH (nominal humidity 65% RH)

Product Description

This Carbon Monoxide (CO) gas sensor detects the concentrations of CO in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm.The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5V.

MQ7 CO gas sensor

Material: Module

Size: 35mm × 22mm × 18mm

Detection of gas: carbon gas

1, the heating voltage: 5 ± 0.2V (AC · DC)

2, Working current: 140mA

3, loop voltage: 10V (maximum DC 15V)

4, load resistance: 10K (adjustable)

5, detection concentration range: 10-1000ppm

6, clean air voltage: ≤1.5V

7. Sensitivity: ≥3%

8. Response time: ≤1S (preheat 3-5 minutes)

9, Response time: ≤30S

10, the element power: ≤0.7W

11, the working temperature: -10 ~ 50 ℃ (nominal temperature 20 ℃)

12, Humidity: 95% RH (nominal humidity 65% RH

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MQ-9 Carbon Monoxide Combustible Gas Detection Module

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MQ-9 Carbon Monoxide Combustible Gas Detection Module
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Approx. Rs 175 / PieceGet Latest Price

Product Details:
Minimum Order Quantity1 Piece
SensitivityHigh to Methane,Propene and CO
High Heater Temp5V for Methane,Propane
Low Heater Temp1.5V for CO
Interface typeAnalog
Concentrationo 10-1000ppm CO o 100-10000ppm combustible gas
Size 40x20mm

Description:
The Analog CO/Combustible Gas Sensor(MQ9) module is useful for gas leakage detecting, it used the sensitive material 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 (heated by 1.5V). The sensors conductivity is more higher along with the gas concentration rising. When high temperature (heated by 5.0V), it detects Methane, Propane, etc. combustible gas and cleans the other gases adsorbed under low temperature. MQ-9 gas sensor has high sensitivity 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 for different application.

Application Idea:

  • Domestic gas leakage detector
  • Industrial gas detector
  • Portable gas detector

 

Features:

  • High sensitivity to Methane, Propane and CO
  • Long life and low cost
  • Simple drive circuit
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MQ135 Gas Sensor Module for Air Quality

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MQ135 Gas Sensor Module for Air Quality
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Approx. Rs 165 / PieceGet Latest Price

Product Details:
Working voltageDC 5V
Working current150mA
DOUTTTL output
AOUTAnalog output
Preheat timeOver 20s
Dimension32mm x 22m x 27mm(HIGH 27mm)

Description:

Sensitive material of MQ135 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, The sensors conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity to correspond output signal of gas concentration. MQ135 gas sensor has high sensitity to Ammonia, Sulfide and Benze steam, also sensitive to smoke and other harmful gases. It is with low cost and suitable for different application.
Used for family,Surrounding environment noxious gas detection device, Apply to ammonia, aromatics, sulfur, benzene vapor, and other harmful gases/smoke, gas detection, tested concentration range: 10 to 1000ppm

Specification
  • Working voltage:DC 5V
  • Working Current: 150mA
  • DOUT: TTL output
  • AOUT: Analog output
  • Preheat time: Over 20s
  • Dimension: 32mm x 22m x 27mm(HIGH 27mm)
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MQ-8 Hydrogen Gas Sensor Module

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MQ-8  Hydrogen Gas Sensor Module
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Approx. Rs 175 / PieceGet Latest Price

Product Details:
ApplicationHydrogen Gas sensing
Working voltage+5V DC
Main chipLM393
Size32 mm X22mm X27mm
OutputDual signal output (TTL level output and analog output)

Description:
  • Size: 32 mm X22mm X27mm
  • Main chip: the LM393, MQ-8 gas sensor
  • Working voltage: DC5V
Features:
  1. With a signal output instructions.
  2. Dual signal output (TTL level output and analog output)
  3. TTL output valid signal for low level. (when the low output electric signal lights at 4. ordinary times, can be directly pick up SCM)
  4. Analog 0 ~ 5 v voltage, the higher the concentration, the higher the voltage.
  5. High sensitivity to hydrogen
  6. Can be resistant to ethanol steam, LPG (petroleum), smoke interference
  7. Has a long service life and reliable stability
  8. Quick response recovery features
Package included:

1 x MQ-8 Hydrogen Gas Sensor Module
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MQ-5 Methane LPG Gas Sensor Module

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MQ-5 Methane LPG Gas Sensor Module
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Approx. Rs 150 / PieceGet Latest Price

Product Description

Sensitive material of MQ-5 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, The sensors conductivity is more higher along with the gas concentration rising. The sensor convert change of conductivity to correspond output signal of gas concentration.

MQ-5 gas sensor has high sensitity to Methane, Propane and Butane, natural gas and could be used to detect both Methane and Propane.

Features

  • Support both the output digital value and the output analog value.
  • High sensitivity to Combustible gas in wide range .
  • Can detect liquefied gasMethane,Butane, Propane and natural gas .
  • Adjustable Sensitivity , Stable Performance.
  • Pin Connection: GND: Ground, Dout: digital output, Aout: analog output Vcc: 5V
  • Applicable to a variety of platforms including Arduino / AVR / ARM.
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MQ2 Gas Sensor Module

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MQ2 Gas Sensor Module
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Approx. Rs 130 / PieceGet Latest Price

Description:

The analog gas sensor - MQ2 is used in gas leakage detecting equipments in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke.It has a high sensitivity and fast response time.And the sensitivity can be adjusted by the potentiometer.

Features:

  • Power supply needs: 5V
  • Interface type: Analog
  • Pin Definition: 1-Output 2-GND 3-VCC
  • Wide detecting scope
  • Fast response and High sensitivity
  • Simple drive circuit
  • Stable and long life

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MQ3 Alcohol GAS Sensor Module

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MQ3 Alcohol GAS Sensor Module
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Approx. Rs 160 / PieceGet Latest Price

MQ3 GAS Sensor is a very easy to use and very handy sensor. It is suitable for sensing Alcohol gas concentration. MQ3 Alcohol GAS Sensor can detect Alcohol gas concentrations anywhere from 200 to 10000 ppm. The MQ3 GAS sensor has a very hight sensitivity to Alcohol gas. The sensitive material of MQ3 Sensor is SnO2, which has lower conductivity in clean air. When the target alcohol gas exist, the sensor’s conductivity is higher along with the gas concentration rising. MQ3 GAS sensor has high sensitivity to Alcohol, and good resistance to disturb of gasoline, smoke and vapour. The sensor could be used to detect alcohol with different concentration, it is with low cost and suitable for different application.

Features of MQ3 Alcohol GAS Sensor
  • High sensitivity to Alcohol Rs (in air) Rs (0.4mg/l alcohol).
  • Heater voltage = 5.0V
Application of MQ3 Alcohol GAS Sensor
  • Drunk Driver detection system
  • Portable alcohol detector
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MQ4 Methane Gas Sensor Module

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MQ4 Methane Gas Sensor Module
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Approx. Rs 140 / PieceGet Latest Price

This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ4 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
  • Power Supply: 5 Volts
  • Interface Type: Analog & Digital
  • High Sensitivity to Methane & small sensitivity to smoke & alcohol
  • Low Cost.
  • Stable & Long Life.
  • On board Power indication.
The instruction of Wiring: 
1. VCC: positive power supply (5V) 
2. GND: power supply is negative
3. DO: TTL switching signal output
4. AO: analog signal output

Module Applications: 
Suitable for home or factory methane gas , natural gas and other monitoring devices to test natural gas, methane 300 to 10000ppm;
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Rajguru Electronics (I) Private Limited
Dileep Jain (CEO)
399, 3rd Floor, Manek Chambers , Lamington Road,
Mumbai - 400004, Maharashtra, India
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