High Power DC Electrical Measuring System, Type DJF20-1

High Power DC Electrical Measuring System, Type DJF20-1
High Power DC Electrical Measuring System, Type DJF20-1
High Power DC Electrical Measuring System, Type DJF20-1
High Power DC Electrical Measuring System, Type DJF20-1
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DFF20-1 high power DC electrical measuring system consists of a rectification power supply (10 kw or 20kw), a 20kw generator, one or multiple (3~5) receivers, stimulators, dummy loads, AB electrodes, AB power lines, reels, measure electrodes and other accessories. DFF20-1 high power DC electrical measuring systems are widely used for metal and nonmetal mineral resource survey, high-precision mineral resource survey and the exploration of underground water resources.

Feature
  • There are three synchronization mechanisms to ensure accuracy, including GPS, pulse delay and high accuracy quartz clock.
  • The transmitter and rectification power supply are separated, so that the system is more portable and convenient for field work.
  • The system is controlled by microcomputer and equipped with a large LCD screen and a touch panel, providing convenience to operators.
  • Real-time storage of power supply current and sampling at every minute provide convenience for accurate calculation of apparent resistivity.
  • There is overvoltage, overcurrent and overheat protection.
  • The special small transformer is efficient and light-weighted.
Specification 1. DJS-9 DC electrical receiver
Maximum measuring voltage ±2.5V
Voltage resolution 0.01mV
Measurement accuracy ±1% (when>10mV) ±0.2mV (when 3mV~10mV)
SP compensation range ±1000mV
Synchronization modes GPS, high accuracy quartz clock, software
Adapt power-on line 1~60s optional
Superposition Times 1~10 optional
Instrument Delay Time 100ms ~1000ms optional
Interference Suppression on 50Hz Power Frequency Better than 60dB
Instrument Input Impedance >5 MΩ
Power 7.2V8.8Ah chargeable lithium battery (continuously powering for 50 hours)
Volume 240×95×240mm
Weight 1.5kg
2. DJR waveform DC electrical receiver
Measuring voltage range ±40V (32bit A/D)
Voltage resolution 5nV
Relative measure error ≤±0.2%
Instrument input impedance ≥50MΩ
Input protection voltage 1000V
Screen 5-inch 24bit true-color LCD
Storage capacity 8G-64G
Waterproof level IP67
Working temptation -20-+60℃
Volume 240 mm×95 mm×240mm
Weight 1.5kg
3. DKG rectification power supply
Specification 5A/2000V 10A/2000V
AC voltage Single-phrase 220V Three-phrase 380V
Power frequency 50HZ 50HZ
Output voltage 2000VDC 2000VDC
Output current 5A 10A
Weight 50KG 83KG
Volume (mm) 560*320*500 800*400*600
Maximum output power 10KW 20KW
4. DJF20-1 20KW transmitter
Output voltage range 0--2000V
Output current 0.1A-10A
Battery Built-in 12V lithium battery or out-connected 12V battery
Weight 35kg
Volume 560mm×320mm×500mm
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