Induced Polarization Survey Equipment

Induced Polarization Survey Equipment

WDJD-3A induced polarization survey equipment is applied to find for underground water, engineering geology inspection, metal and non metal source exploration, railway and bridge survey, dam base and foundation exploration.
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Product Details

induced polarization survey equipment (1)(001)


WDJD-3A Multi-Function Digital DC Resistivity/IP Meter is resistivity and induced polarization survey equipment, 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.

induced polarization survey equipment(4)(001)

Main Features and Functions

1.High accuracy:CMOS large-scale integrated circuit

2.Portable:Compact size wight light weight

3.Multi parameters:measure VP, IP, SP, RO, M, TH...

4.Stable: Protections with over voltage, over current, battery and battery display, data protection after interrupt of electrical power

5.Earth resistance checking: earth condition can be checked



± 6V, precision:

Measurement accuracy

if Vp≥10mV, ± 5‰ ± 1LSB;
if Vp < 10mV, ±1% ± 1LSB.

Input impedance


Measurement precision of arrarent polarizability

± 1 ± 1LSB

SP compensation range




Measurement accuracy

if Vp≥10mA, ± 5‰ ± 1LSB;
if Vp < 10mA, ±1% ± 1LSB.


≥80dB for 50Hz frequency industrial and electrical interference
(common mode interference or differential mode interference)


Max transmitting power


Max voltage


Max current

±5A(when voltage ≤900v)

Pulse width

1~60s, duty ratio 1:1


Working temperature

-10℃~50℃, 95 %RH

Storage temperature


Power supply

eight D-size batteries
(or nickel-cadmium batteries of the same specs)

Overall current

≤ 55mA




310mm x 210mm x 210mm

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