
Specification: The MQ-7 is a metal oxide semiconductor gas sensor designed to detect carbon monoxide (CO) concentrations in the air with high sensitivity. In a laboratory setting, it is primarily used for monitoring ventilation safety, detecting gas leaks, and integrating into automated environmental control systems.
Technical Specifications:
* Target Gas: Carbon Monoxide (CO)
* Detection Concentration: 20–2000 ppm
* Heater Voltage: 5.0V ± 0.2V (AC/DC)
* Loop Voltage: ≤ 10V (DC)
* Load Resistance: Adjustable (typically 10kΩ)
* Heater Resistance: 33Ω ± 5% (at room temperature)
* Heater Power Consumption: ≤ 350mW
* Sensitivity Resistance (Rs): 2kΩ – 20kΩ (in 100ppm CO)
* Operating Temperature: -10°C to +50°C
* Response Time: ≤ 60s
* Recovery Time: ≤ 60s
Dimension:40x20x10 mm
Package:85*40 mm
Weight: 6gm
| Weight |
0.043 kg |
|---|---|
| Dimensions | 6 × 6 × 6 cm |