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Ground Water Detector Water Detection Equipment

Ground Water Detector Water Detection Equipment
WDJD-3A is widely used as ground water detector water detection equipment with multi parameters: resistivity, IP, SP and so on. Support VES/SP sounding. It is portable, simple configuration and easy to use.
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Product Details

water detection equipment(001)


Introduction:

The single WDJD-3A ground water detector water detection equipment can conduct general electrical resistivity/IP survey. If WDJD-3A is used together with WDZJ-4 multiplex electrode switcher (hereafter also referred to as WDZJ or WDZJ-4 switcher), it can conduct multi-electrode 2D Resistivity imaging.

Application of WDJD-3A ground water detector water detection equipment can be in metal and nonmetal mineral resources detection, city geophysical exploration, railway and bridge inspection and so on; as well as in hydrology and engineering geology such as seeking for ground water, inspect dam base and flood protection levee for incipient faults. What’s more, it also used for geothermal prospecting. 


Main feature:

1. small size, light weight

2. Measure multi parameters, and more

3. the operation more flexible and convenient

4. data interpretation easier




WDJD-3A 

Receiving unit

Voltage channel: ± 6V, precision: if Vp≥10mV, ± 5‰ ± 1LSB; if Vp < 10mV, ±1% ± 1LSB.

Input impedance: ≥50MΩ

Apparent polarizability precision: ±1% ± 1LSB

SP compensation range: ±1V

Current channel: 5 A, precision: if Ip≥ 10mA, ± 5‰ ± 1 LSB; if Ip < 10 mA, ±1% ± 1 LSB.

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


Transmitting unit

Maximum transmitting power: 4500W (only when conducting general resistivity/IP survey. Regarding multi-electrode resistivity imaging, maximum transmitting power is 1125W which is limited by WDZJ-4 switcher)

Maximum voltage output: 900V (1800V peak to peak, only for general resistivity/IP survey. Regarding multi-electrode resistivity imaging, maximum transmitting voltage is 450V DC which is limited by WDZJ-4 switcher)

Maximum current output: 5A (only for general resistivity/IP survey. Regarding multi-electrode resistivity imaging, maximum current output is 2.5A DC which is limited by WDZJ-4 switcher)

Pulse width: 1~60s, duty ratio 1:1


Water detection equipment(1)(001)


Others

Working temperature: -10℃~50℃, 95 %RH

Storage temperature: -20℃~60℃

Mainframe power source: eight size-D dry cells (or nickel-cadmium batteries of the same specification)

Overall current: ≤ 55mA

Weight: ≤ 7 Kg

Dimension (L×W×H): 310mm x 210mm x 210mm

Working temperature: -10°C~50°C

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