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Sensors
MQ-7 Gas Sensor Module (Carbon Monoxide Detection)
【MQ-7 Carbon Monoxide Sensor】
✔ Detects CO Gas Concentrations (20-2000ppm)
✔ Dual Output: Analog & Digital
✔ Fast Response & High Sensitivity
✔ Heating Time: 60s (Preheat Required)
✔ Operating Voltage: 5V DC
✔ Ideal for Safety Alarms & Air Quality MonitorsSKU: 2023123104
Sensors
MQ-7 Gas Sensor Module (Carbon Monoxide Detection)
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【MQ-7 Carbon Monoxide Sensor】
✔ Detects CO Gas Concentrations (20-2000ppm)
✔ Dual Output: Analog & Digital
✔ Fast Response & High Sensitivity
✔ Heating Time: 60s (Preheat Required)
✔ Operating Voltage: 5V DC
✔ Ideal for Safety Alarms & Air Quality Monitors
₨ 450.00 ₨ 520.00
₨ 715.00 for 3 item(s)
MQ-7 Carbon Monoxide Detector – Reliable CO Gas Sensing
The MQ-7 gas sensor detects dangerous carbon monoxide (CO) levels, making it essential for home safety, industrial monitoring, and IoT air quality projects.
Key Features:
- ☠️ CO Detection – Range: 20-2000ppm (Deadly at 400ppm+)
- 📶 Dual Output – Analog (0-5V) + Digital (TTL) signals
- ⏱️ Cyclic Heating – 60s preheat for accurate readings
- 🛠️ Easy Calibration – Adjustable sensitivity potentiometer
Common Uses:
• Home CO Alarm Systems
• Industrial Safety Monitors
• Car Exhaust Analyzers
• Smart Air Quality Stations
⚠️ Warning: Not for life-critical systems. Requires calibration.
| Parameter | Details |
|---|---|
| Detection Gas | Carbon Monoxide (CO) |
| Detection Range | 20-2000ppm |
| Operating Voltage | 5V ±0.1V |
| Analog Output | 0-5V (Higher = More CO) |
| Digital Output | TTL (Low=Safe, High=CO Detected) |
| Preheat Time | 60 seconds |
| Response Time | <30s |
| Board Dimensions | 32mm × 22mm |
| Interface | 4-pin (VCC, GND, DO, AO) |
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