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 lifeDescription
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.
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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