Chongqing Gold Mechanical & Electrical Equipment Co., Ltd

FeaturesPortability and flexibilitycombining transmitter and receiver together, small and light. Real one machine and multi-functionvoltage and current range and small signal accuracy improved greatly, it is fitted for rock sampling tester, large-power IP receiver, nomal resistivity tool, IP, water finder, 2D and 3D high-density electrical tool etc.. Multi-parameter measurement, wide applicationvoltage, current, apparent resitivity, SP, apparent chargability, metal factor, half life, attenuation, IP ratio, departure, IP spectrum. Blue technique, wireless remote controlPocket PC controlled central unit by Bluetooth technique, remote control is effective within 10 m. All parameters and measurement display can be fulfilled easily wirelessly. Pocket PC control, Powerful functionall Chinese pocket PC support the man machine interface and sampling control, parameters setting, data display and storge, graph plot, image making, Field works are very easy.Extendable easilydata sampling and storage are all controlled by pocket PC. Data management is easy and software is easy to be extended. Powerful pocket PCbeside the high hardware configuration, pocket PC is installed with many utility software. User can arrange the date, navigate the web via wireless net, and use WORD, EXCEL, PowerPoint, and Media Player for office and amusement. With double high-density resistivity cable port, cross-hole resistivity can be carried out without medium switcher. Measurement is concise and easy. Super wide range, high accuracyvoltage is as high as 64Vp-p, small signal measurement accuracy is high voltage is less than 0.1mV and current is less 0.1mA with ±1% accuracyï¼?. Tool is fitted for high resistivity region; high-density can achieve good results. Complete anti-interface techniqueuse multi-stage filter and signal enhancement technique, integrate anti-interface funation, accuracy is high. Auto SP, shift and electrode compensation with range as high as ±10V. The panel has "infinite"pole for pole-pole and dipole-pole measurement. During dipole-pole measurement, sA,sB, and s can be measured automatically with high efficiency.Receiver has over-voltage over- current and AB open protection ability. Ground resitivity checkAB pole and MN pole can be checked at any time, easy and practically. Dignosis program can find the trouble with the tool quickly and accurately. Imported air proof box is water-proof, dust-proof, and long life. Flexiable control choicethe tool can be controlled with note PC for field work.

Technical specifications:Receiving partVoltage channel: ±32V24 bitA/DAccuracy: as Vp5mV, ±0.2% ±1 character as 0.1mVVp5mV, ±1% ±1 character Input impedance: 50 Apparent polarization accuracy: ±1±1character SP compensation range: ±10V Current channel: 6A24bitA/DMeasurement accuracy: as Ip5mA, ±0.2% ±1character as 0.1mA?¤Ip5mA, ±1% ±1character As for 50Hz industrial interfacecommon and different modedepression is better than 80dBTransmitter part:Maximium power: 7200W Maximium supply voltage: ±1200V Maximium supply current: ±6A Supply current width :160s, duty rate 1:1OtherWorking temperature: -10+50,95RH Storge temperature: -20 +60 Power supply: builtin 7.4V4Ahor outside 12V, lasting for 20h Main unit port: A, B, M, N, DC high voltage, outside battery, 2 cable port, RS-232, blue tooth Weight: 4kg Size : 270mm246mm123mm

FunctionGeneral resistivity/IP soundingMulti-electrode 2D/3D resistivity imagingMulti-electrode 2D IP imagingRock sample testWork as receiver in large power IP systemApplicationsUnderground water inspectionEnergy resource prospectingCity geophysical explorationRailway and bridge inspecting Metal and nonmetal mineral resources surveyEngineering geologyGeothermal field survey.SpecificationsGeophysical instruments and ground water detection equipmentReceiving part:voltage channel: ±32V24 bitA/Daccuracy: as Vp5mV, ±0.2% ±1 character as 0.1mVVp5mV, ±1% ±1 character Input impedance: 50© Apparent polarization accuracy: ±1±1character SP compensation range: ±10V Current channel: 6A24bitA/Dmeasurement accuracy: as Ip5mA, ±0.2% ±1character as 0.1mAIp5mA, ±1% ±1character As for 50Hz industrial interfacecommon and different modedepression is better than 80dBTransmitter partmaximium power: 7200Wmaximium supply voltage: ±1200Vmaximium supply current: ±6Asupply current width :160s, duty rate 1:1

Technical specificationsReceiving partvoltage channel: ±32V24 bitA/D)accuracy: as Vp5mV, ±0.2% ±1 character as 0.1mV?¤Vp5mV, ±1% ±1 characterInput impedance: 50©Apparent polarization accuracy: ±1±1characterSP compensation range: ±10VCurrent channel: 6A24bitA/DTransmitter partmaximium power: 7200Wmaximium supply voltage: ±1200Vmaximium supply current: ±6ADeep geophysical equipment groundwater detector 1D IP sounding:ID AB/2(M)MN/2(M) K11.50.512.56637122.50.523.56194533.50.537.69911244.50.554.97787155.50.540.5678

Instroduction:WDJD-4 Multi-function Digital DC Resistivity/IP Meter is our new generation model with 32 single-chip and 24 bit A/D technology on the basis of years of experience of design and manufacture,which could carry on Res and IP survey at the same time. It features multiple functions, high accuracy, fast speed, high reliability and excellent expandability. Measured data of WDJD-4 can be processed by other multi-electrode resistivity software, which makes the interpretation more convenient.The single WDJD-4 can conduct general electrical resistivity/IP survey with twist pair wire, iron electrodes and power source. If WDJD-4 is used together with WDZJ-4 multiplex electrode switcher multi-electrode cable, electrodes and power source, it can conduct not only general electrical resistivity/IP survey but also multi-electrode 2D Resistivity imaging.Underground water inspectionEngineering geology inspecting as dam base exploration and floodMetal and Non-metal source explorationCity geophysical explorationRailway and bridgeTechncial Specification:Receiving partVoltage channel: ± 6 VSurvey precision: if Vpâ?¥10 mV then ± 5â?° ± 1 LSB, if Vp < 10 mV, then ±1% ± 1 LSBInput impedance: â?¥50MΩApparent polarizability precision: ±1% ± 1 LSBSP compensation range: ±1 VCurrent channel: 5 A, survey precision: if IPâ?¥ 10mA then ± 5â?° ± 1 LSB, if IP < 10 mA, then ±1% ± 1 LSSuppression: â?¥80dB for 50Hz industrial frequencyTransmitter partVoltage maximum: 900VCurrent maximum: 5A( when voltage â?¤ 900V )Pulse width: 1ï½? 60s, duty ratio 1:1OtherOperating temperature: -10â??ï½?50â??, humidity: 95 %RHMemory temperature: -20â??ï½?50â??Instrument power: eight D size batteries (or same specs nickel-cadmium battery)Complete appliance current: â?¤ 55mAWeight: â?¤ 7 KgDimensions (LÃ?WÃ?H): 310mm X 210mm X 210mmStandard configuration List of WDJD-4 undergound water finderNo.DeatilsQty1WDJD-4 Mianframe1 Set2USB Communication Line1 Set3Charger1 Pc412V Power Input Line1PC5Instrument backpack1PC6Windows Software U Disk1PC7Operational Manual1PC8Unpolarized Electrodes1Pair9Iron Electrodes10PCS

Instroduction:WDJD-4 Multi-function Digital DC Resistivity/IP Meter is our new generation model with 32 single-chip and 24 bit A/D technology on the basis of years of experience of design and manufacture,which could carry on Res and IP survey at the same time. It features multiple functions, high accuracy, fast speed, high reliability and excellent expandability. Measured data of WDJD-4 can be processed by other multi-electrode resistivity software, which makes the interpretation more convenient.The single WDJD-4 can conduct general electrical resistivity/IP survey with twist pair wire, iron electrodes and power source. If WDJD-4 is used together with WDZJ-4 multiplex electrode switcher multi-electrode cable, electrodes and power source, it can conduct not only general electrical resistivity/IP survey but also multi-electrode 2D Resistivity imaging.Underground water inspectionEngineering geology inspecting as dam base exploration and floodMetal and Non-metal source explorationCity geophysical explorationRailway and bridgeTechncial Specification:Receiving partVoltage channel: ± 6 VSurvey precision: if Vpâ?¥10 mV then ± 5â?° ± 1 LSB, if Vp < 10 mV, then ±1% ± 1 LSBInput impedance: â?¥50MΩApparent polarizability precision: ±1% ± 1 LSBSP compensation range: ±1 VCurrent channel: 5 A, survey precision: if IPâ?¥ 10mA then ± 5â?° ± 1 LSB, if IP < 10 mA, then ±1% ± 1 LSSuppression: â?¥80dB for 50Hz industrial frequencyTransmitter partVoltage maximum: 900VCurrent maximum: 5A( when voltage â?¤ 900V )Pulse width: 1ï½? 60s, duty ratio 1:1OtherOperating temperature: -10â??ï½?50â??, humidity: 95 %RHMemory temperature: -20â??ï½?50â??Instrument power: eight D size batteries (or same specs nickel-cadmium battery)Complete appliance current: â?¤ 55mAWeight: â?¤ 7 KgDimensions (LÃ?WÃ?H): 310mm X 210mm X 210mmStandard configuration List of WDJD-4 undergound water finderNo.DeatilsQty1WDJD-4 Mianframe1 Set2USB Communication Line1 Set3Charger1 Pc412V Power Input Line1PC5Instrument backpack1PC6Windows Software U Disk1PC7Operational Manual1PC8Unpolarized Electrodes1Pair9Iron Electrodes10PCS

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