1.has max count range 2.high sampling period 3.large flow rate 4.large storage data 5.good helper for GMP ParameterY09-8P airborne particle counterSize channel0.3,0.5,1.0,3.0,5.0um,10umMaximum count range35000/LSampling period1-99 minutes and 99 secondsSampling delay0-9minSampling rate1min-99hour99second99minFlow rate28.3LConfidence level0.5,5.0umCounting alarmChannel,an arbitrary valueData ...