Digital IP Geophysical Resistivity Meter For Underground Water Detection
Hydrogeological Resistivity IP Survey Meter for Underground Water Detection
WDJD-3A Multi-Function Digital DC Resistivity/IP Meter , based on years of experience of design and manufacture, meets user’s most and latest needs. It features multiple functions, high accuracy, fast speed, high reliability and excellent expandability. Measured data of WDJD-3A can be processed by other multi-electrode resistivity software, which makes the interpretation more convenient.
Application
Mineral exploration, hydrological surveys, environmental surveys, engineering construction, and other industries make extensive use of geophysical exploration technology. Geophysical exploration techniques can be used to locate and assess water resources, identify contaminated and cleanup sites, evaluate foundation stability and soil mechanics, detect buried building structures and artifacts, and many other things. Geophysical exploration techniques are also commonly used in civil engineering, soil composition, and geological aspects. Geophysical exploration technology will continue to play an important role in addressing a wide range of geological and environmental issues in the future.
Technical Parameter
| Receiving Part | |
| Voltage channel | 士 6V,士1 %土 1LSB |
| lnput impedance | >50MQ |
| Apparent polarizability precision |
士1%土 1LSB
|
|
SP compensation range
|
士1V
|
| current channel |
6A,24 bit A/D
|
|
suppression
|
suppression is over 80dB for 50Hz industrial frequency (common mode interference or differential mode interference)
|
| Transmitting Part | |
| Maximum transmitting power | 6600w |
|
Maximum voltage range
|
士1100v
|
|
Maximum current range
|
6A
|
|
Voltage channel
|
士24A,24 bit A/D
|
|
lnput resistance
|
≥50MQ
|
|
Others
|
|
|
working temperature
|
-10°℃~+50°℃,95 %RH
|
|
Storage temperature
|
-20°℃~+60°℃
|
|
lnstrument power
|
internal 12v rechargeable lithum battery or external 12v car battery, for 30 hours continously work
|
|
overall current
|
≤55mA
|
|
weight
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≤4.4Kg
|
|
Dimension (L×WXH)
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270mm * 246mm* 175mm
|
Main Features and Functions
- Transmitting unit and receiving unit are of all-in-one design, portable and lightweight.
- CMOS large-scale integrated circuit, special stand-by mode, compact size, low power consumption.
- System turns off WDJD-3A mainframe automatically if there is no operation in 10 minutes.
- High anti-interference performance and precision, integrated with multistage wave filtration and signal enhancement technologies.
- In good condition, multi-electrode imaging function can complete measurement of a 552-data-points cross section.
- Automatically achieving compensation of self-potential, drift and electrode polarization.
- Receiving unit supports transient over-voltage protection, transmitting unit supports
- Over-voltage protection, over-current protection and AB open-circuit protection.
- Measured curve can be plotted through WDJD-3A mainframe.
- Simple calculator fulfills calculation of geometric factor and other calculations on the spot.
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