| Customization: | Available |
|---|---|
| After-sales Service: | Supply |
| Warranty: | 3 Years |
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The WDA-1 Super Digital DC Electric Instrument serves as the core control unit of the entire system, enabling comprehensive geophysical exploration capabilities. It supports Centralized 2D Multi-electrode Resistivity Surveys when integrated with the WDZJ-4/WDZJ-120 Multi-electrode Converter, specialized survey cables, and electrodes. Additionally, the system is capable of performing Distributed 2D/3D Multi-electrode Resistivity Surveys and 2D Multi-electrode Resistivity & Induced Polarization (IP) Surveys using distributed survey cables and electrodes.
This versatile instrument is designed for advanced groundwater exploration, mineral detection, and environmental geophysics, offering high precision and adaptability for various field conditions. Its modular design allows seamless integration with additional components, such as signal amplifiers and data loggers, to enhance functionality and data accuracy. The system's low-power consumption and wide frequency range make it suitable for both laboratory and field applications, ensuring reliable performance in diverse geological setting.
|
Function
System |
System model |
Host machine |
Converter |
DC high voltage power |
Cable & Electrode |
|
Centralized 2D multi-electrode Res Survey |
WGMD-9 |
WDA-1 |
WDZJ-4/ WDZJ-120 |
External |
Centralized cable and electrodes |
|
Distributed 2D/ 3D multi-electrode Res survey |
WGMD-9A |
WDA-1 |
N/M |
External |
Distributed multi-electrode Res survey cable and electrodes |
|
Distributed 2D multi-electrode Res & IP survey |
WGMD-9B |
WDA-1 |
N/M |
External |
Distributed multi-electrode Res & IP survey cable and electrodes |
|
Cable |
5m space cable, 10m space cable(optional) |
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Host machine(WDA-1) parameter:
|
Receiving part |
|
|
Voltage channel |
±32V(24 bit A/D) |
|
Measurement accuracy |
Vp≥5mV, ±0.2% ±1 character, 0.1mV≤Vp<5mV, ±1% ±1 character |
|
Input impedance |
>50MΩ |
|
Apparent polarization accuracy |
±1%±1character |
|
SP compensation range |
±10V |
|
Current channel |
6A(24bit A/D) |
|
Measurement accuracy |
Ip≥5mA, ±0.2% ±1character, 0.1mA≤Ip≤5mA, ±1% ±1 character |
|
As for 50Hz industrial interface(common and different mode)depression |
Better than 80dB |
|
Transmitter part |
|
|
Maximum power |
7200W |
|
Maximum supply voltage |
±1200V |
|
Maximum supply current |
±6A |
|
Supply current width |
1~60s, duty rate 1:1 |
|
Others |
|
|
Working temperature |
-10ºC~+50ºC, 95%RH |
|
Storage temperature |
-20ºC~+60ºC |
|
Power supply |
Built-in 7.4V4Ah(or outside 12V), lasting for 20h |
|
Main unit port |
A, B, M, N, DC high voltage, outside battery, 2 cable port, RS-232, blue tooth |
|
Weight |
≤4kg |
|
Dimension |
270mm*246mm*123mm |
|
Pocket PC |
|
|
Windows mobile 5.0 system, 624MHz, 640*480 true color, 128MB Flash ROM /64MB SDRAM, 512MB CF card, Blue-tooth, infrared, serial port, 2 rechargeable batteries, with Word, Excel. |
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