DWJ 3B Induced Polarization Resistivity Receiver DC-mode Underground Water Search
DWJ-3B is a new generation DC-mode receiver that can be used in the measurement of Resistivity method and Induced polarization method, and can also display the Apparent Resistance Rate & Apparent Stimulation Rate, Half Decay time, Cumulative Sum, Degree of deviation, spontaneous potential, supply current and primary field ,etc.
Application:
Search for Groundwater sources, Hydrological engineering, and Geological exploration, etc.
Parameters:
| Specification | Parameter | Specification | Parameter |
| Input impedance | ＞100MΩ | Potential Precision | ±2%±1word |
| Primary Potential resolution | 1μV maximum measuring capability:20V | Temperature | -10℃～＋50℃(LCD 0℃) |
| Polar Resolution | 0.001% | Polarization Precision: | ±2%±1 word |
| Current Resolution | 0.01mA | Current Precision | ±2%±1word |
| Auto compensation | 0～±1023mV | Temperature | -10℃～＋50℃(LCD 0℃) |
| 50Hz Restrain | ＞80dB(from 49.5～50Hz) | Secondary Field Sampling Method | Fixed area of multi-blocks, 4～7 blocks Single block of area, adjustable time delay and sampling width |
| LCD | 3 Inch TTF true color; Display sounding curve and resistivity curve of unite section method. |
| Storage | 16M nonvolatile storage, for long time | Measure Mode | auto external control; short conducting wire |
| Humidity | 93%RH(＋40℃) | External Dimension | 270×130×190mm |
