Products
CO Sensor
1. Performance
MQ-D9 is sensitive to CO and CH4.
2. Appearance and dimension
3. Technical specifications
| Media | CO or CH4 |
| Voltage in clean air | V0=0.5~1.5V(depends on the loading) |
| Voltage in calibration gas | V1>V0+1v(100ppm CO) |
| Response time | ≤30s |
| Recovery time | ≤60s |
| Load resistor | 4.7K(adjustable) |
| Measuring pole voltage | Vc=5v |
| Heating pole voltage | Vh=1.5v |
| Heating pole current | Ih<80mA |
| Load resistor | RL=4.7K(adjustable) |
| Working temperature | -20℃---+50℃ |
| Storage temperature | -50℃---+60℃ |
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