TH-2002 UV Fluorescence Method SO2 Analyzer

Applications ModelTH-2002UVfluorescencemethodSO2analyzer,whichisoneofthehightechnology productsofambientairautomaticmonitoring,adoptsthefluorescence spectroscopyprinciple, appliesthe moderntechnologyofmicro-SCMtodetectandcontrolsignals,processessignal dataandetc.Itusesoptics,mechanism,electron,photochemistryandmodernsensortechnology syntheticallywhichcancontinuousmonitortheconcentrationofthe SO2 inambient. Features FullChinesemenu-driveinterfaceandfive-keywithfunctioninstructionsoperationsimplifyoperationprocedures.autoalarmindicatorfacilitatesfaultdeterminationanddecreasesfailurerate.Modulardesigniseasyfordailymaintenanceandrepair.Quick,effectiveandeasydatacollectionSpecifications NO. ItemName Technicalindicator 1 Measuringrange (0 0.5)ppmor(0 1.0)ppm(canbeextended) 2 Resolution 0.1ppb 3 Noise Zeropointnoise 1ppb Spannoise 5ppb 4 Minimumdetectablevalue 2ppb 5 Stability Zerodrift ±5ppb/24hr Span drift 20%Spandrift ±3ppb/24hr 80%Spandrift ±5ppb/24hr 6 Precision 20%measuringspan ±3ppb 80%measuringspan ±5ppb 7 Linearity Relatedcoefficient(r) more than 0.999 Sloperate(a) 0.99-1.01 intercept(b) less than 1%F.S 8 Voltagestability ±1%F.S 9 Responsetime Risingresponsetime(T90) 3min(Onlytheanalyzeritself,thegas distributingsystemresponsetimenot included) Fallingresponsetime(T10) 3min(seetheabovedescription)