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| Place of Origin | Chongqing, China |
| Brand Name | Gold |
| Model Number | WDA-1 |
Geophysical Exploration Instrument Induced Polarization Equipment
Introduction
The WDA-1 Geophysical equipment is DC resistivity and induced polarization instrument. It will work for 1D Vertical electrical sounding with current electrode AB and potential electrodes MN. It can also work for 2D and 3D Electrical Resistivity tomograph with intelligent resistivity/IP cable.
WDA-1 Geophysical Induced Polarization can be applied in a variety of complex regions, energy resource and city geophysical exploration, railway and bridge prospecting, metal and non-metal mineral resources prospecting, city geophysical exploration, hydrology and engineering geology to inspect base of dam and flood protection levee for incipient faults. Besides, it contributes to geothermal survey.
Features
Automatically achieving SP, drift and electrode compensation
over-voltage protection
Earth resistance check
Tablet computer control
Specification
| 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 | -10℃~+50℃, 95%RH |
| Storage temperature | -20℃~+60℃ |
| 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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