Resistivity Survey Geophysics WDDS Digital Earth Resistance Measurement Instrument
Application:
1. Underground water inspection
2. Metal/non metal source exploration
3. City geophysical exploration
4. Railway and bridge
| Customized support | terrameter |
| Place of Origin | Chongqing, China |
| Brand Name | BTSK |
| Model Number | WDDS Geological Terrameter Resistivity meter |
| Voltage | 1100v Terrameter |
| Current | 6A Resistivity meter |
| Power | 6600w Resistivity meter |
| Product name | Terrameter |
| Warranty | 1 Year Vertical Electrical Sounding |
Details About Resistivity Survey Geophysics WDDS Digital Earth Resistance Measurement Instrument
ERI: means Multi-electrode electric Res imaging method, which is the extension of 1D Res VES. Layout dozens or hundreds electrode on one survey line, with automatic conversion of control electrode, the instrument completes automatic composition and fast measurement of many kind of array and program in Res method. It realizes combined measurement of electric profiling and electric sounding and is benefit for shorten time and gaining section information.
IP ERI: means Multi-electrode IP imaging method, which is the extension of IP method measurement. Layout dozens or hundreds electrode on one survey line, with automatic conversion of control electrode, the instrument completes automatic composition and fast measurement of many kind of array and program in IP method.
Geological Terrameter WDDS Resistivity Meter Vertical Electrical Sounding Instrument
| Receiving unit | |
| Voltage precision | If Vp≥10mV, ± 5‰ ± 1LSB; if Vp < 10mV, ±1% ± 1LSB. |
| Input impedance | ≥50MΩ |
| Apparent polarizability precision | ±1% ± 1LSB |
| SP compensation range | ±10V |
| Current channel | 6 A, ±0.4% ± 1LSB, 24 bit A/D |
| Current precision | If Ip≥ 10mA, ± 5‰ ± 1 LSB; if Ip < 10 mA, ±1% ± 1 LSB. |
| Suppression | ≥80dB for 50Hz industrial frequency (common mode interference or differential mode interference). |
| Transmitting unit | |
| Max transmitting power | For general Res/IP sounding, 6600W. |
| For multi-electrode Res imaging, 1125W, limited by WDZJ-4 switcher | |
| For Res cable, 1350W | |
| For IP cable, 2400W | |
| Max voltage | For general Res/IP sounding, ±1100V (2200V peak to peak) |
| For multi-electrode Res imaging, 450V DC (limited by WDZJ-4 switcher) | |
| Max current | For general Res/IP sounding, ±6A |
| For multi-electrode Res imaging, 2.5A DC (limited by WDZJ-4 switcher | |
| Pulse width | 1~60s, duty ratio 1:1 |
| others | |
| Display | 160 × 160 dot matrix LCD |
| Storage | ≥1GB |
| Working temperature | -10℃~+50℃, 95 %RH |
| Storage temperature | -20℃~+60℃ |
| Instrument power | internal 12V 9Ah rechargeable battery , lasts for 30 hours (or 12V external power supply) |
| Weight | ≤ 4.4 Kg |
| Dimension (L×W×H) | 270mm X 246mm X 175mm |
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