用于监测空气PM10,PM2.5的分布
技术参数:
Object SPM in the ambient air
Principles :ß-ray absorption (under JIS-B794)
Ray Source: PM147, ray source less than 3.7MBq
Detector: Plastic scintillation probe
Sampling method:Filtering method (Teflon tape roll filter) Cyclon method
Measuring range: 0 - 0.5/1/2/5mg/m3
Measuring cycle :1 hour integral value display
Flow rate :18L/min
Minmum detectable sensitivity:less than &plu***n;1μg/m3
Repeatability :less than &plu***n;2%/FS
Indication error: less than &plu***n;5%/FS
Zero drift :less than &plu***n;2%/FS/day
Span drift :less than &plu***n;3%/FS/day
Display: Measuring value, Measuring range,Alarm, Condition etc.
Message :Power down, Abnormal calibration,Pressure, Flow rate etc.
Output signal: DC0 - 1V Integral value,
Measuring range,
External reset signal, Host stop signal,
Adjusting signal, Power down signal,
Abnormal signal etc.
Power: AC100V, 50/60Hz
Power c***umption: Detector unit ; about 250VA,
Circumstance Temp. :0 - 40°C
Measurement: W430 x H220 x D400mm
Weight :Detector unit ; about 16kg