DSHK-2B Multi-Electrode Resistivity Survey System

Produced by: Zhuhai Dshing Company

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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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