undergroundwaterdetectorDDC-8ElectronicAuto-CompensationInstrument(ResistivityMeter)MainApplicati***andFeaturesByutilizingtheapparentresistivityparameters,itiswidelyusedinhydrology,environmentalprotection,engineeringgeophysicalexploration,metalandnon-metalmineralresourcesexploration.Microcomputercontrolled,direct-readingresistivity,variouselectrodearrangingmode,dataprotectionagainstpower-failureThisinstrumentappliestoElectricalProspectingsuchasVerticalElectricalSounding,ElectricalProfiling,ChargingMethodandSpontaneousPotentialMethod,etc.ongroundandintrench.TechnicalSpecificati***MaximumPowerSupplyVoltage:700VMaximumPowerSupplyCurrent:3AVoltageMeasuringRange:&plu***n;3000mV?VoltageMeasurementAccuracy:&plu***n;1.5%,&plu***n;0.1mVCurrentMeasuringRange:0.1mA~3000mACurrentMeasurementAccuracy:&plu***n;1.5%,&plu***n;0.1mASPCompensationRange:-1000mV~+1000mVInstrumentInputImpedance:＞30MΩWorkingTemperature:-10℃~50℃Volume:244×154×237mm)