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MQ-7 Carbon Monoxide Gas Sensor Module for Arduino ESP32 IoT Projects
SKU: BBZ-SEGA-005• Available on Backorder
₹159
Key Highlights
- ✓High sensitivity to carbon monoxide (CO)
- ✓ Fast response and recovery time
- ✓ Stable performance with long service life
- ✓ Low-cost solution for CO detection
- ✓ Simple drive and interface circuit
- ✓ Good sensitivity to combustible and natural gases
- ✓ Suitable for continuous monitoring
- ✓ Easy integration with Arduino and ADC systems
1
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Sensor Type
Carbon Monoxide (CO) Gas Sensor
Model
MQ-7
Detection Range
10 – 1000 ppm CO
Sensitivity
≥ 3%
Return Time
≤ 30 seconds
Heater Resistance
± 31 Ω
Heater Current
≤ 180 mA
Heater Voltage
5.0V ± 2V (High) / 1.5V ± 1V (Low)
Heater Power
Approx. 350 mW
Operating Temperature
-20°C to +50°C
Humidity Range
≤ 95% RH
Oxygen Content
21%
Output Type
Analog resistance (requires external load resistor)