High Power DC Electrical Measuring System, Type DJF
DJF high power DC electrical measuring system consists of a DZ-2 rectification power supply (5-15kw optional), a DJF-2 DC electrical transmitter (5-15kw optional), one or multiple DJS-9 DC electrical receivers or DJR-2 waveform electrical receivers, AB power lines/ electrodes, data processing software and related accessories. DJF high power DC electrical measuring systems are widely used for mass screening and detailed detection of metal and nonmetal mineral resource survey, high-precision mineral resource survey and the exploration of underground water resources.
Feature- There are multiple synchronization mechanisms to ensure accurate and prompt measurement, including GPS, pulse delay and high accuracy quartz clock, guaranteeing repeatability and consistency.
- The high transmitting power (5kw, 10kw and 15kw optional) can meet various detection requirements.
- Transmitter and receiver can both record travel time automatically. The system can record the power supply current and receive a field electric potential value at a set timing, so as to calculate the apparent resistivity accurately.
| Maximum measuring voltage | ±2.5V |
| Measuring 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 |
| 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 24 bit true-color LCD |
| Storage capacity | 8G-64G |
| Waterproof level | IP67 |
| Operation temptation | -20-+60℃ |
| Volume | 240 mm×95 mm×240mm |
| Weight | 1.5kg |
| Type | DZ5-2 5KW | DZ10-2 10KW |
| Maximum output power | 5KW | 10KW |
| Maximum output currency | 6A | 10A |
| Maximum output voltage | 1000V | |
| Input power | AC 220V/50Hz | |
| Working temperature | 10℃~ +50℃, 95%Rh | |
| Volume | 600*370*340mm | 600*370*340mm |
| Weight | 57kg | 80kg |
| Type | DJF5-2 5KW | DJF10-2 10KW |
| Maximum Transmitting Power | 5KW | 10KW |
| Maximum Power Supply Current | 6A | 10A |
| Maximum Power Supply Voltage | ±1000V | |
| Synchronization modes | GPS, high accuracy quartz clock, software | |
| Output waveform | Bipolar square wave; duty ratio=1:1; pulse width=1~60s | |
| Current Data Storage | At least 8,000 set; time interval programmable; minimum interval=1 min | |
| Working Temperature | -10℃~ +45℃, 93%Rh | |
| Volume | 580*450*360mm | 580*450*360mm |
| Weight | 22kg | 22kg |
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