Products
CH4 Gas Sensor
for indoor combustible gas alarm
Application:
For alarm, monitor or detector of natural gas, liquefied petroleum gas and town gas.Product characteristics:
Long life1. Performance
MQ-G4 is in accordance with the New National Standard of 《GB15322.2-2019》and the Housing and Construction Ministry Standard of CJ/T347-2010 . It’s sensitive to natural gas, liquefied gas and town gas.
2. Appearance and dimension
3. Technical specifications
| Media | Methane or butane |
| Sealing type | rubber seat, 100 mesh stainless steel cap |
| Testing range | 100-10000ppm |
| Loop voltage | Vc=5v±0.1v |
| Heating voltage | Vh=5v±0.1v |
| Load resistor | RL=1K-50K(adjustable) |
| Heating power | ≤800mW(Vh=5v) |
| Test temperature and humidity | 20℃±2℃, 65%±5%RH |
| Pre-heating time | 24h |
| Working temperature | -10℃~+50℃ |
| Storage temperature | -20℃~+60℃ |
| Humidity | <95%RH |
| Response time | Tx≤20s |
| Recovery time | Th≤30s |
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