紫外荧光法监测***Measuringobject:SO2inambientairPrinciple:UVfluorescencemethodMeasuringrange:0-0.05/0.1/0.2/0.5/1ppmSamplingflowrate:about0.3L/min.Lowerdetectablelimit:1ppb(measuringrange:0-0.5ppm)Zerodrift:within&plu***n;2ppb/day(measuringrange:0-0.5ppm)Spandrift:within&plu***n;2%ofspangasconc./dayRepeatability:within&plu***n;1%ofspangasconc.Linearity:within&plu***n;2%HCinterference:lessthan4ppb(againstToluen0.1ppm)Resp***etime:lessthan4minute(T90)Itemsdisplayed:Measuringvalue,messageetc.Operationtemperature:0to40ûCOperationhumidity:0to90%RHOutputforrecorder:Serial(Standard)oranalog(In-outputforTelemeter:Option)Digitalinterface:RS-232C,EthernetPowerrequirement:100VAC(Standard),50/60HzPowerc***umption:Max.300VADimensi***:430Wx220Hx400D(mm)Weight:about.16kg(withoutpump))