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use NDIR Infrared absorption detection principle, choose the intelligent micro-gas sensor, to the environmentCH4Concentration Proceedings24Hourly uninterrupted continuous monitoring, analysis, no oxygen dependence and catalytic sensor poisoning phenomena. has NDIR The product is characterized by good selectivity, high sensitivity, no oxygen dependence, long service life and so on. The instrument can be equipped with meteorological five parameter monitoring function, or according to the monitoring needs, can be customized to increase4-8Gas monitoring factor, the whole system maintenance-free, seven-inch configuration industrial serial port touch screen display, suitable for the factory environmentCH4Concentration monitoring（Unorganized Emission Scenario）。
Technical Parameters | TP-300type CH4 Atmospheric on-line monitor |
sampling method | pump type |
gas range | 0-100ppm、500ppm、1000ppm、5000ppm、0-100%LEL |
Resolution | 0.1ppm、0.1%LEL |
accuracy | ≤±3% |
repeatability | ≤±1% Measurement value |
zero drift | ≤±1%F.S./Year |
response time | T90<30s |
power supply | 220VACor12-24VDC, optional storage battery and solar cell pack |
Output signal | RS232a digital signal;4Gwireless transmission, support（HJ/T 212）communication protocols |
Alarm Mode | On-site audible and optical alarm, external alarm, remote controller alarm, computer data collector |
operating temperature | -20℃-80℃ |
working humidity | 5%-80% RH |
working pressure | 0.8-1.2 ATM |
external dimension | long300mm×width200mm×high410mm |
Material of shell | spray moulding of galvanized steel plate（total machine weight15Kg） |
