Product Details
1D Vertical Electrical Sounding Investigation Geophysical
Electrical Resistivity Meter
WDJD-3A Multi-function Digital DC Resistivity/IP Meter can conduct
1D electrical resistivity survey, in association with only power
source, electrodes and ordinary cables. In this case, what
electrode array applicable is the first 8 electrode arrays
introduced in Section One Electrode Arrays of General Electrical
Resistivity Survey, namely, four-pole vertical electric
sounding(4P-VES), Combined electric sounding(3P-VES), four-pole
electrical profiling (4P-PRFL), Combined electrical profiling
(3P-PRFL), Rectangle/Middle Gradient (RECT), dipole-dipole
(DIPOLE), IP survey in Well-Well Azimuth Sounding(IP-BUR),
Five-pole Longitudinal Axis Electical Sounding (5P-VES).Except for
access to these electrode arrays, user can also input geometric
factor K value directly through Item 9 Input K value for some
special electrode array configurations that is not available in
system.
Application
- Mineral prospecting in geological surveys - identify potential
mineral deposits.
- Groundwater exploration - locate and assess water resources.
- Environmental investigations - identify contamination and
remediation sites.
- Engineering projects - determine foundation stability and soil
mechanics.
- Archaeological studies - detect buried structures and artifacts.
- Civil engineering - determine soil composition and geotechnical
properties.
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
| ≤4.4Kg
|
Dimension (L×WXH)
| 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.
Product Display
Company Picture
Company Profile
Chongqing Gold Mechanical Electrical Equipment Co. Ltd. has been
actively involved in the design, development, and manufacturing of
geophysical exploration equipment for over four decades. Our
expertise encompasses various techniques used to capture images and
map subsurface features and structures such as minerals, oil and
gas reservoirs, groundwater, and geological formations.

At present, our company manufactures a diverse range of equipment
that encompasses resistivity meters, seismic receivers, magnetic
instruments, borehole loggers, and various other geophysical
sensors. Additionally, we offer geotechnical instruments such as
pile testers and drilling machines.

In collaboration with geologists, geophysicists, and other domain
experts, we design and develop instruments that cater to the unique
requirements of our clients. To maintain our leading edge in the
market and keep up with technological progress and scientific
advancements, we continuously invest in research and development to
ensure that our equipment is accurate, reliable, and efficient.
