SV-4Qautomobileexhaustgasanalyzer(hereinafterreferredtoastheanalyzer)may,inaccordancewithnon-light-disguisinginfraredabsorptionmethod,viamicro-computeranalysis,directlymeasurethethicknessofHC,COandCO2intheexhaustgasofvehiclesandinspectthedensityofO2viaElectrochemicalsensorsoastocalculateexcessaircoefficientλ.Theanalyzerintroducesadvancedforeigntechnology.Itiscomposedofcompleteimportedmachinerycores,boaststheadvantagesofaccuracymeasurement,highenduranceandspeed.AsanIntelligentEquipment,itisequippedwithMicroprocessor,LCDandChineselanguageinterface.Besides,italsohasoptionalequipmentssuchasInductionTachometer,temperaturesensor,innerMicroPrinterforcustomerstopurchase.Thenewly-addedStoragefunctioncandetectEngine’sspeedandLubricant’sTemperaturewhilemeasuringtailgas,thenstoreandprinttheresultsThemaintechnicalparameters：1、Measurementrange：CO：0~10.010-2(%)CO2：0~20.010-2(%)HC：0~1000010-6(ppm)O2：0~25.010-2(%)oiltemperature：18-150ºCrotatespeed：100-20000rpm2、Repetitiveness：≤&plu***n;2%3、zerofloating:CO：&plu***n;0.0610-2(%)/1hCO2：&plu***n;0.510-2(%)/1hHC：&plu***n;3010-6(ppm)/1hO2：&plu***n;0.510-2(%)/1h4、spanfloating：Notexceedtheallowedvalueforindicationerror(1hour).5、indicationerror:CO：&plu***n;5%（relativeerror，0-10％）CO2：&plu***n;5%（relativeerror，0-20％）HC：&plu***n;5％（relativeerror，0-4000ppm）&plu***n;10％（relativeerror，4001-10000ppm）,O2：&plu***n;5%（relativeerror，0-25％）oiltemperature：&plu***n;2℃（absoluteerror）Rotatespeed：&plu***n;1.0%（relativeerror）6、Environmentalcondition：temperature：0℃~40℃humidity：≤95%Airpressure：60~105kPapower：AC220V&plu***n;10%；50Hz7、preheattime：5min8、Samplingmethod：Directlysampling，thelengthofthetubeis5M，thelengthofsamplingprobeis900mm。Oiltemperature：insertingthetemperatureSensorintoOilLevelGaugeofengine,thelengthofwhichisthesameasthatofoilstaffgauge;blockingwithrubberplugtoplugupengineoilfromejecting.\\Rotatespeed：Non-contactmeasurementmethod.Lessthan20cmtothepetrolichigh-voltageflexiblecord,measuringtherotatespeedofpetrolicmotor9.weight：15kg10.packingsize：610x500x330mm)