CTL251B校準(zhǔn)驗(yàn)收國(guó)際標(biāo)準(zhǔn)決議

1、CTLPROVISIONALDECISIONSHEETStandard(s):GeneralitySubclause(s):Category:VariousandGeneralSubject:MeasurementaccuracyStandard(s):GeneralitySubclause(s):Category:VariousandGeneralSubject:MeasurementaccuracyKeywords:-Measuringrange-Accuracy-InstrumentNo.YearPDSH2009251BDevelopedby:WG4-WG1Tobeapprovedatt

2、he46thCTLPlenaryMeeting,in2009InstrumentAccuracyLimitsMeasurementvaluesstatedinaCBTestReportshallbemadewithinstrumentswithaccuracieswithinthelimitsstatedbelow.Thesevaluesapplyunlessmorestringentrequirementsaregiveninthereferencestandard.ParameterRangeInstrumentaccuracyofMeasuringRangeVoltage-Upto100

3、0Vupto1kHz1,5%1kHzupto5kHz2%5kHzupto20kHz3%20kHzandabove5%-1000Vandabovedcupto20kHz3%20kHzandabove5%Current-Upto5Adcupto60Hz1,5%60Hzupto5kHz2,5%5kHzupto20kHz3,5%20kHzandabove5%-5Aandabovedcupto5kHz2,5%5kHzupto20kHz3,5%20kHzandabove5%Leakagecurrent-upto30mA50/60Hz3,5%-30mAandabove50Hz-5kHz5%Power(50/

4、60Hz)upto1W3%1Wupto3kW3%3kWandabove5%PowerFactor(50/60Hz)0,05Frequencyupto10kHz0,2%Resistance1mHupto100nQandabove1MQupto1TQ5%above1TQ10%forallothercases3%22ParameterRangeInstrumentaccuracyofParameterRangeBarometricairpressureMeasuringRangeBarometricairpressureGas&fluidpressureforstaticmeasurement5%G

5、as&fluidpressureforstaticmeasurement5%Temperature1,2below100C2C100Cupto500C3%-35Cdownto-50C3CTime10msupto200ms200msupto1s1sandabove5%10ms1%Lineardimensionsupto1mm0,05mm1mmupto25mm0,1mm25mmandabove0,5%Massabove10gandupto100g1%100gupto5kg2%5kgandabove5%Forceforallvalues6%Mechanicalenergyforallvalues10%Torque10%Angles1degreeRelativehumidity30%to95%RH6%RH10kPa22221ThermocouplenotincludedintheInstrumentaccuracyofmeasuringrange.Thermocouplestype