WDL-18InsulatingOilsVolumetricResistivityTesterOperationManualShanghaiFeiketeElectricalTechnologyCo.,……………………………………………………………………….2Maintechnicalspecificationandparameters…………………………………..2Operationmethods……………………………………………………………..3Attention………………………………………………………………………..6Fullsetandtechnicaldocuments……………………………………………….’sRepublicofChinaDL/T421-91“TestMethodsforVolumeResistivityofInsulatingOils”.Ithascharacteristicsofsimplestructure,excellentlinearity,highsensitivity,stability,~×1013Ω·,,,petroleumindustry,scientificresearchinstitutes,(I):0℃~40℃;:≤85%;:AC220V±10%,50Hz±1Hz;(II):DC500V;:108~×1013Ω·cm;:(1)>1012Ω·cm:≯25%;(2)<1012Ω·cm:≯15%;
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