The MQ-7 Gas Sensor Module detects carbon monoxide (CO) – a dangerous, odourless gas from coal stoves, generators and vehicle exhaust.
The MQ-7 Gas Sensor Module detects carbon monoxide (CO) – a dangerous, odourless gas from coal stoves, generators and vehicle exhaust. The module gives an analog value for gas concentration and a digital alarm output with an adjustable threshold.
| Sensor | MQ-7 |
|---|---|
| Detects | Carbon monoxide (CO) |
| Range | 20 – 2000 ppm |
| Supply voltage | 5V |
| Output | Analog (AO) + Digital (DO) |
| Adjustment | Potentiometer for alarm level |
What is the operating voltage?
5V.
Does it need warm-up?
Yes, let it run for a few minutes (24–48 h burn-in on first use) for stable readings.
Can it replace a certified CO alarm?
No, use it for learning and prototypes only.
Can I buy the MQ-7 CO Carbon Monoxide Coal Gas Sensor Module in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
