Products
CH4 Gas Sensor
for indoor combustible gas alarm
Application:
For alarm, monitor or detector of natural gas, liquefied petroleum gas, town gas and H2.Product characteristics:
Long life1. Performance
MQ-K4 gas sensors apply to the detecting instrument and monitor. It’s sensitive to combustible gas such as natural gas, liquefied petroleum gas, town gas, hydrogen(H2) and so on.
2. Appearance and dimension
3. Specifications
| Voltage in clean air | V0=0.5~1.5V(depends on the loading) |
| Voltage in calibration gas | V1＞V0+1v(0.5% CH4) |
| Response time | ≤30s |
| Recovery time | ≤60s |
| Measuring pole voltage | Vc=5v±0.1 |
| Heating pole voltage | Vh=5v±0.1 |
| Heating pole current | Ih<160mA |
| Load resistor | RL=4.7K(adjustable) |
| Ambient temperature | -10℃---+60℃ |
| Storage temperature | -50℃---+60℃ |
| Relative humidity | <90% |
| Air pressure | 650-800mmHg |
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