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MQ-7 Carbon Monoxide Detection Sensor Module
$1.2800
In stock
SKU
SEN-16-014
Volume discounts:
- +50 5 % $1.2200
- +100 7 % $1.1900
- +300 9 % $1.1600
- +500 11 % $1.1400
- +1000 13 % $1.1100
Product Variations:
Ships in 2-3 business days, then:
Free delivery in 12-15 days by Tracked Economic Shipping on orders over $100.
Free delivery in 7-10 days by Express Shipping on orders over $300.
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MQ-9 Carbon Monoxide & Flammable Gas Sensor Module Previous 
MQ-7 Carbon Monoxide Detection Sensor Module is designed for carbon monoxide gas detection in electronics and robotics projects. It measures CO concentration within a 20ppm to 2000ppm range and provides an analog output for signal processing. The module uses an internal heater and an electrochemical sensor structure. It is suitable for applications that need carbon monoxide concentration monitoring. The module offers quick response and simple operation.
Features of MQ-7 Carbon Monoxide Detection Sensor Module
- Carbon monoxide detection
- 20ppm to 2000ppm range
- Analog output
- Internal heater
- Electrochemical sensor
- High sensitivity
- Fast response
Specifications of MQ-7 Carbon Monoxide Detection Sensor Module
- Supply voltage: 2.5V ~ 5.0V
- Dimensions: 40.0x21.0 mm
- Gas sensitivity: carbon monoxide
- Detectable concentration: 20ppm to 2000ppm
- Power consumption: 350 mW
- Input voltage: DC 5±0.2V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean)
- Highest concentration voltage: about 4V
- Dimensions: 33(L) * 21(W) * 17(H) mm
How to Use MQ-7 Carbon Monoxide Detection Sensor Module
- Connect VCC to the positive pole.
- Connect GND to the negative pole.
- Use AO for analog signal output.
- Use DO for TTL switch signal output.
More Info
- TTL output valid signal is low.
- The module includes a power indicator.
- Four screw holes are provided for positioning.
- Package includes 1X MQ-7 Sensor Module.
| Interface Type | Analog |
|---|---|
| Operating Voltage (V) | 2.5V - 5.0V |
| Operating Current (mA) | 70mA |
| Dimensions (mm) | 40.0 x 21.0 mm |
| Output Type | Analog Voltage |
| Response Time | Fast response |
| Biometric Parameter | Gas Concentration |
| Application | Industrial, Home |
| Target Gas | Carbon Monoxide (CO) |
| Detection Range | 20ppm - 2000ppm |
| Sensor Type | MOX gas sensors |
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