DJF-2 5/10/15kw High Power DC IP Measuring System

Main Applications and Features

• High Power Direct Current IP Measuring System      includes: receiver, time domain IP transmitter, rectification power,      simulator and dummy load. The system is a high-tech product which      integrated with geophysics, electronics, computer technology, information      processing technology, aiming to hydro-geological, mineral geology,      engineering geology, energy, geology, environmental geology applications.

• For large areas of metal mining, non-metallic      mineral resources, geological survey and detailed survey work, search for      groundwater and other hydrological and engineering      geological exploration.

• The system transmitter has two synchronization mode      (domestic initiation): delay synchronization after pulse and      high-precision quartz clock synchronization, which allows high efficiency      of field production, also convenient and flexible. 

System Composition 
One 5/10/15KW High Power Direct Current IP Transmitter 
One 5/10/15KW High Power Rectifier Power Source 
One or more DJS-8B Direct Current IP Receiver 
Electrodes AB, Power Lines AB, Measuring Electrodes, and other related accessories

DJF-2 5/10/15kw Transmitter

• Auto time travel, with regular current storage      function to facilitate future resistance calculation

• Micro-computer controlled, large-screen LED to      display output voltage and current, touch panel.

• Provide with RS-232 serial interface to facilitate      the transferring of current data

• High voltage, high current, with over-voltage and      over-current protection and circuit-opening attention

Technical Specifications

• Maximum Transmitting Power: 5 /10 /15KW

• Maximum Power Supply Voltage: ± 1000 V

• Maximum Power Supply Current: 5/10/15A

• Power Supply Pulse Width: 1~60 sec.

• Output Waveform: Bipolar waveform, Duty Cycle 1:1

• Current Storage Time Interval: Programmable, Step      Length: 1 minute

• Data Storage: Can store current data not less than      8,000 groups (including data like year, month, date, hour, minute, etc. of      measurement time), with power-failure protection

• Large Screen Display: 160 × 128 Lattice Graphic LCD

• Working Temperature: -10℃~ +50℃, 95%Rh

• Storage Temperature-20℃~ +60℃

• Volume: 476×309×247 mm

• Weight: 12 kg

DJS-8B High Power IP Receiver

• Rapid      and Accurate: By adopting pulse delay synchronization mode and      high-precision quartz clock synchronization mode, more accurate power-off      delay is enabled , precise polarization measurement is realized , thus      overcome the enlarging problem of apparent polarization error caused by      large judgement error in power-off time for similar instruments.

• Automation:      SCM (Single Chip Micyoco) automatically execute self-potential      compensation, gain adjustment, filtering and signal enhancement.

• Time      Parameter Recording: DJS-8B has auto travel time function, with measuring      time stored together with measured results to facilitate the calculation      of apparent resistivity.

• Extra-large      Storage: 15,000 groups of measured values can be stored, no loss even in      case of power failure

• Strong      Anti-interference Capability: Adopt signal enhancement technology to      suppress the interference a, thus highlight the effective signals.

• RS-232C      serial port can work with microcomputer (PC) on-line.

• Fault      Diagnosis: Fault location and damaged device can be accurately identified

Technical Specifications

• Maximum      Measuring Voltage: ±3V

• Measuring      Voltage Resolution: 0.01mV

• Measuring      Voltage Accuracy: ±1%, ±1 digit

• M      Value Width Ratio: 1: 2: 4: 8;

• Polarizability      Measurement: 0.2±1 digit at M s ≤3%; 0.1±1 digit at M s ≥3%

• Power      Supply Cycle: 4, 8, 16 seconds (three kinds)

• Number      of Repeated Measurements: Optional from 1 to 10

• Instrument      Delay Time: 100ms ~1000ms, can be set optionally

• Suppression      on 50Hz Power Frequency: better than 80dB

• Input      Impedance:＞30 MΩ

• Data      Storage Capacity: 128KB

• Machine      Working Temperature: -10℃~50℃, humidity 95%

• Volume:      240×95×240mm

DZ-2 5/10/15KW Rectifier Power Source 

Technical Specifications

• Input Voltage: 220V/50Hz AC

• Voltage Allowable Fluctuation Range: -15%~+10%

• Output Voltage: 50/100/200/300/400/500/700/850/1000V

• Maximum Power Supply Current: 5/10/15A

• Maximum Output Power: 5/10/15KW

• Voltage Indication Accuracy: ±1%

• Current Indication Accuracy: ±1%

• Working Temperature: -10℃~50℃, Humidity 95%

• Weight: 45/66/98 kg

• Volume: 480×338×400mm

DMF-2 Micro-Power Detection Transmitting Device (Simulator) 

Main Applications and Specifications

• Used as signal source for DJS series receiver to      test the working status of receiver.

• Can be used as micro-power transmitter, or as      outcrop for rock samples or field ore body (associated with receive

• Output Analog Signal: 6 taps: 3/10/30/100/300/1000mv

• Output Apparent Polarizability: 4 taps: 0% (zero      polarization), 3%, 10%, 50%

• Analog Output Waveform: positive and negative square      wave, duty cycle 1:1

• Cycle Selection: power supply square wave pulse      width 1~15s. (Cycle: 4~6s)

• Working Temperature: -10℃~50℃, 95% RH

• Power Supply: 1# dry cell, 6 pcs.

• Volume: 225×115×90mm

• Weight: 2 kg