SV-2LB-filtersemiautomatic***okemeter,whichisproducedaccordingtothenationalstandardGB/T11798.5-2001andGB3847-83,canbeusedtodetectthe***okelevelofdieselcar,thecombustionanalysisandtheresearchofdieselengine.Theinstrumentcrampsoutadefinitestoreofexhaustfromvent-pipeandgetthemthroughacertainareaoffilterpaper.Thenyoucanh***ethetestresultofexhaustconcentrationbytheblackgranuleonthefilterpaper(unit:Rb).SV-2LB,equippedwithNixietube,iseasytooperateby“Promptlamp”andseparatelydisplaysthelastedthreetestresultandthe***erageofthem.Addition:ThestrongpointofSV-2LB:Aircompressionisnotneededwhileitworks.Themaintechnicalparameters:1、Measurementscope：0-10Rb2、accuracy：NotexceedFS&plu***n;3％3、Repeatability:NotexceedFS&plu***n;2％：4、Stability：NotexceedFS&plu***n;2％/h5、Resolution：0.1Rb6、Environmentalcondition：temperature：0℃~40℃Relativehumidity：20％-80％Airpressure：70~105kPapower：AC220V&plu***n;10%；50Hz7、Preheattime：5min8、Samplingsystem：sweptvolume：330ml&plu***n;15mlsweptactuationtime：1.4S&plu***n;0.2Stightnessofextractingpump：Theairinfiltrationcapacityisnotexceed15mlinoneminute.filterspecification：width:40mm,thickness0.18mm，Equivalentporediameter:45um，airpermeability:3000ml/cm2.min,brightness:85％Samplingtube:cylinder:5mm,length:5m.9.Weight：18kg10.Packingsize：610x500x325mm)