Customization: | Available |
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Accuracy: | 1mm |
Horizontal Line: | 1 |
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WDJD-4 Multi-function Digital Resistivity/IP Meter | |
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 |