Hemal Electronics
Grant Road, Mumbai, Maharashtra
GST No. 27AGVPG2952Q1ZI
Call 08048729933 86% Response Rate
GAS Sensor Modules
Providing you the best range of mq-7 gas sensors, mq-3 pcb module sensor, mq135 air quality detector sensor module, mq-2, alcohol gas detection sensor module, mq-4, methane gas sensor and mq-135 air quality and hazardous gas sensor with effective & timely delivery.
MQ-7 Gas Sensors
Rs 100 / PieceGet Best Price
| 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-3 PCB Module Sensor
Rs 100 / PieceGet Best Price
Product Brochure
| 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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MQ135 Air Quality Detector Sensor Module
Rs 150 / PieceGet Best Price
| Operating Voltage | DC 5 V |
| Dimensions | 32mm X22mm X27mm |
| Material | PCB |
| Usage/Application | Air Quality Monitor |
| 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 gases 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 gase.
Other Detail:
- 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-2, Alcohol Gas Detection Sensor Module
Rs 90 / PieceGet Best Price
Product Brochure
| Operating Voltage | 3.3 V |
| Model | MQ-2 |
| Operating Temperature | 20 Degree C +/- 2 Degree C |
| Dimensions | 36.4 X 26.6 mm |
| Material | PCB |
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MQ-4, Methane Gas Sensor
Rs 100 / PieceGet Best Price
| Model Name/Number | MQ-4 |
| Size | 32 mm X 22 mm X 27 mm |
| Operating Temperature | 20 Degree C +/- 2 Degree C |
| Operating Humidity | 65% +/- 5%RH |
| Detecting Range | 300 to 10000 ppm |
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-135 Air Quality and Hazardous Gas Sensor
Rs 120 / PieceGet Best Price
| Model Name/Number | MQ-135 |
| Operating Temperature | -10 to +45 Degree C |
| Heating Voltage | 5 V +/- 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 ,Carbon Monoxide Gas Sensor Module
Rs 115 / PieceGet Best Price
Product Brochure
| Operating Voltage | 5V |
| 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
Rs 100 / PieceGet Best Price
| 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-9, Carbon Monoxide Gas Sensor Module
Rs 125 / PieceGet Best Price
Product Brochure
| 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 |
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-2, Gas Sensor Module
Rs 75 / PieceGet Best Price
Product Brochure
| 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 |
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MQ-2, Gas Sensor
Rs 100 / PieceGet Best Price
Product Brochure
| Model Name/Number | MQ-2 |
| Operating Humidity | 65%+-5%RH |
| Sensor Type | Semiconductor |
| Standard Encapsulation | Bakelite (Black Bakelite) |
| Heater Voltage | DC 5.0 V +/- 0.2 V |
| Heater Consumption | 900 mW |
| Temperature | -2 Degree C ~ +60 Degree C |
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MQ-6, Gas Sensor Module
Rs 100 / PieceGet Best Price
Product Brochure
| Sensing Area | 8 mm x 8 mm |
| Voltage | AC 230V |
| Working Temperature | 20 ~ +60 Degree C |
| Working Humidity | Less Than 93 Percent RH |
| Model Number | MQ-6 |
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MQ-9 PCB Modules Gas Sensors
Rs 125 / PieceGet Best Price
| Model Name/Number | MQ-9 |
| Size | 32 x 20 x 22 mm |
| Humidity Range | 65%+-5%RH |
| Concentration | 10-1000 ppm |
| Power Source | Electric |
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