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Product Description
DZD-8 geophysical resistivity meter supports multi-functional survey works, resistivity / IP, 2D / 3D ERT system, rock sample tester and multi parameter water detector, and it covers widely parameters in system include voltage, current, apparent resistivity, apparent polarizability, natural potential, self electric gradient, half decay, attenuation, excitation ratio, deviation, metal factor, ground resistance and voltage decay curve (i.e. IP spectrum data). With 7500 W ,6A output,that's ensure your survey works' penetration & data quality.
Technical Sheet for DZD-8Geophysical Resistivity Meter | |
Receiving Parts | |
Measuring voltage range | ±40V 32 A/D |
Measuring voltage resolution | 5nV |
Measuring voltage accuracy | Voltage ＞1mV, accuracy ≤0.1%， |
Voltage ≤1mV, accuracy±1uV | |
Apparent polarizability accuracy | Fs. error≤±0.2% |
Measuring current range | 0 -6000 mA（32 A/D） |
Measuring current resolution | 10nA |
Measuring current accuracy | When Ip≥10mA，±0.1%， |
When Ip＜10mA，accuracy ±2uA | |
Sample frequency | 1KHz |
Input impedance | ≥50MΩ |
Suppression of 50Hz power frequency interference | ＞120dB |
SP compensation | ±40V Full range real-time automatic tracking digital compensation |
Transmitting Parts | |
Max. power supply voltage | 1400V |
Max. power supply current | 6A |
Max. output power | 7500 W |
Power supply pulse width | 1-64s，Duty cycle 1:1 |
Other Parts | |
Operating system | Embedded Linux real time system |
Dispaly | 6.4 inch 24 digital real color LCD，brightness 1200cd/m2 |
Data Storage | 16G-64Goptional ，USB2.0 transfer |
Internal Battery | 16.8V 12.5Ah， continuously work for 20 hours |
External Battery | 12V battery |
Waterproof | IP67 |
Working Temperature | -20～+60℃，95%RH |
Size | 300 x 225 x 132 mm |
Weight | 5.6kg |
1D VES Survey Works
DZD-8 geophysical resistivity meter support survey methods like 4P-VES,PRFL-3P
2D Electric Resistivity Tomography Survey Works
DZD-8 geophysical resistivity meter can offer centralized layout wiring(60 takeout /120 takeouts), also support cascade cable wiring(40 takeouts), distributed cable wiring, see as following figure 1 about centralized layout wiring
3D Electric Resistivity Tomography
1)Distributed cable wiring instructions
The distributed cable is connected to the host (connecting host interface 1: the trumpet is at the far end; interface 2: connecting the host trumpet is at the near end), the cables are connected end to end, and the arrangement is S. As shown in the figure, the two connection modes of the host are equivalent.
2) Centralized layout wiring instructions
The connecting cable is used to connect the host & the MIS-60A converter or the converter & the converter. The centralized cable is directly connected to the converter. One converter is connected to two cables, and the overall arrangement is U-shaped
