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Measuring component | CH4/CO2/H2S/O2 |
Measuring principle | CH4/CO2:NDIR H2S/O2:ECD |
Measuring range | CH4:(0~100)%;CO2:(0~50)%; H2S:(0~9999)ppm;O2:0~25%(range is optional) |
Precision | CH4/CO2:±1%FS;O2/H2S:±2%FS |
Resolution | CH4/CO2/O2:0.01%;H2S:1ppm |
Repeatability | CH4/CO2:0.5%;O2/H2S:1% |
Response time | T90≤60s(NDIR) |
Optimal flow | (0.7~1.2)L/min |
Intake pressure | (2~50)kPa |
Sample gas requirement | Clean, water-free, oil-free |
Communication | RS-485/RS-232,4-20mA |
power supply | AC220V,50Hz |
Functional configuration | Built-in zero-pumping pump can realize automatic zero adjustment of air, automatic setting of drainage sampling time, anti-corrosion treatment of stainless steel protective cabinets and components, strong corrosion resistance, overall system temperature control, high protection level, suitable for low temperature and cold regions |