DSHK-2B Multi-Electrode Resistivity Survey System

• 

MainApplications

• Widelyusedforhigh-resolutionresearch,tomographyandmonitoringapplications.
• Coalmininggobs,cavesofCusterarea,geologicaldisasterssurveylikelandslidesothergeologicaldisasters.
• Highresolutionengineeringgeologicalexplorationlikefactoryfoundations,highways,bridges,railways,civilengineering,hydrology,engineering,environmental.
• Forlandslidesandothergeologicaldisasterexploration.
• Metalandnon-metallicmineralresourcesexplorationandgeothermalexploration

MainFeatures.

• Assemblydataacquisitiondevicesandmultiplexertogetherinthesamecase，whichnotonlyreducethevolumebutalsodecreasetheweight,thusavoiderrorscausedbyoperatingthedevicesseparatelyandduetoinconformityofswitchparametersettings.
• MaintainallfunctionsofDUK-2AMulti-ElectrodesResistivitySurveySystemandconventionalelectricalmethod.
• Addhighandlowcurrenttransformtaps,addhighandlowinputimpedancetransformationtap,andimprovetheacquisitioncapabilityofweaksignals.
• AddstorageandoutputfunctionsforcompensationSPvoltagevalue.
• Adopt16-bitA/Dand16-bitD/A,thusimprovethediscernibilityformeasurementofcollecteddata.
• Addthefunctionforautomaticallydetectgroundingresistancebeforeeachmeasurement;givedirectionsforthepointsexceedthegroundingresistancevalue,forautomaticallyproceedingwithfurthermeasurementifrequired;thevalueatsuchpointcanbereplacedwithafixedsymboltofacilitatetheeliminationofthispointwhileprocessingtheinformationanddata.
• Greatlyenhancetherepeatabilityofmeasureddata.

TechnicalSpecifications

• ConversionElectrodes:60channels
• VoltageMeasuringRange:±6V
• VoltageMeasuringAccuracy:0.5%,±1digit
• MeasuringVoltageResolution:1μV
• CurrentMeasuringRange:1μA~2000mA,1μA~6000mA(twotaps)
• MeasuringCurrentResolution:1μA
• MeasuringCurrentAccuracy:0.5%,±1digit
• MaximumPowerSupplyVoltage:500VDC
• MaximumPowerSupplyCurrent:2A
• MeasuredApparentPolarizabilityAccuracy:±1%,±1digit
• SPCompensationRange:1000mV
• InputImpedance:20MΩ,100MΩ(twotaps)
• Suppressionon50HzPowerFrequency:betterthan80dB
• StorageCapacity:1MB
• PowerSupply:1#cell,8pcs;orexternal12Vbattery(cellstobetakenoutwhenusethebattery)
• PowerConsumption:250mA(Standby)
• WorkingTemperature:-10℃~+50℃,95%Rh
• Weight:8.5kg
• Volume:324×240×245mm

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