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MQ-7 Carbon Monoxide Gas Sensor Module for Arduino ESP32 IoT
SKU: BBZ-SEGA-002• Only 5 left
₹129₹243.29-47% OFF
Key Highlights
- ✓High sensitivity to carbon monoxide (CO)
- ✓Analog voltage output increases with CO concentration
- ✓Digital output with adjustable threshold via onboard preset
- ✓Rapid response and quick recovery
- ✓Stable performance with long service life
- ✓Four mounting holes for easy installation
- ✓Simple interfacing with Arduino and microcontrollers
1
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Sensor Type
MQ-7 Carbon Monoxide (CO) Gas Sensor
Operating Voltage
DC 5V
Detection Range
10 ~ 1000 ppm (CO)
Characteristic Gas
100 ppm CO
Output
Analog + Digital (adjustable threshold)
Sensitivity
≥ 3%
Return Time
≤ 30 sec
Heater Resistance
±31 Ω
Heater Current
≤ 180 mA
Heater Voltage
5.0V ± 0.1V (High) / 1.5V ± 0.1V (Low)
Heater Power
~350 mW
Operating Temperature
-20°C to +50°C
Humidity
≤ 95% RH
Oxygen Content
21%
Dimensions
35 × 20 × 11 mm
Weight
~20 g