| Customization: | Available |
|---|---|
| Accuracy: | Underground Water Detector Resistivity Meter Geoph |
| Horizontal Line: | Underground Water Detector Resistivity Meter Geoph |
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| Receiving unit | |
| Voltage channel | ±24V,±0.5% ±1LSB,24bit A/D |
| Max voltage sampling resolution | 0.01μV |
| Input impedance | ≥50MΩ |
| SP compensation range | ±10V |
| Current channel | 3.5A,±0.5% ±1LSB,24 bit A/D |
| Maximum current sampling resolution | 0.02μA |
| Suppression | ≥80dB for 50Hz industrial frequency (common mode interference or differential mode interference). |
| Transmitting unit | |
| Max transmitting power | 3500W |
| Max voltage supply | ±1000V(2000Vp-p) |
| Max current | ±3.5A(7Ap-p) |
| Pulse waveform of power supply | duty cycle is 1:1, bipolar |
| Others | |
| Screen | 160 × 160 dot matrix LCD |
| Storage | ≥1GB |
| Instrument power source | built-in 7.4V4Ah lithium battery(or external 12V power supply), more than 20 hours of continuous work |
| Mainframe interface | A,B,M,N, DC high voltage, external battery, charger, RS-232 and USB, etc |
| Built-in high-voltage power supply (only WDDS-2B) | Max current is 300mA, voltage is 50V, 100V, 150V, 200V. |
| Working temperature | -10ºC~+50ºC, 95 %RH |
| Storage temperature | -20ºC~+60ºC |
| Weight | ≤ 4.2 Kg (WDDS-2) ≤ 5.5 Kg (WDDS-2B) |
| Dimension (L×W×H) | 270mm X 246mm X 175mm |
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