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Underground Water Detection Equipment

Underground Water Detection Equipment
WDDS-2 resistivity meter is widely used for underground resources detection, hydrological research, etc. When combined with appropriate electrodes and test leads, the WDDS-2 underground water detection equipment can be used to measure earth resistance.
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Product Details

Underground water detection equipment-1(001)


Applications:

Underground resources detection;

Geological structure inspection before engineering construction

Hydrological research

The environmental protection

Engineering geophysical exploration


WDDS-2 measuring principle:

Underground water detection equipment-2(001)


Voltage:48v

Electrode: 4pcs

Array: 4P-VES Schlumberger

The first measuring point: AB/2=3, MN/2=1

The second measuring point: AB/2=4, MN/2=1

……..

as following table:

ID

AB/2(M)

MN/2(M)

K

1

3

1.00

12.566371

2

4

1.00

23.561945

3

5

1.00

37.699112

4

6

1.00

54.977871

5

7

1.00

40.567845


Comparison of operating process between electric sounding and electric profiling

Underground water detection equipment-3(001)


Technical Parameters:

Underground water detection equipment receiving unit

Voltage channel

±24V,±0.5% ±1LSB,24bit A/D

Max voltage sampling resolution

0.01μV

Input impedance

≥50MΩ

SP compensation range

±10V

Current channel

3.5A,±0.5% ±1LSB,24 bit A/D

Maximum current sampling resolution

0.02μA

Suppression

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

Underground water detection equipment transmitting unit

Max transmitting power

3500W

Max voltage supply

±1000V(2000Vp-p)

Max current

±3.5A(7Ap-p)

Pulse waveform of power supply

duty cycle is 1:1, bipolar

Others

Screen

160 × 160 dot matrix LCD

Storage

≥1GB

Instrument power source

built-in 7.4V4Ah lithium battery(or external 12V power supply), more than 20 hours of continuous work

Mainframe interface

A,B,M,N, DC high voltage, external battery, charger, RS-232 and USB, etc

Built-in high-voltage power supply (only WDDS-2B)

Max current is 300mA, voltage is 50V, 100V, 150V, 200V.

Working temperature

-10℃~+50℃, 95 %RH

Storage temperature

-20℃~+60℃

Weight

≤ 4.2 Kg

Dimension (L×W×H)

270mm X 246mm X 175mm


Result post-processing by VES software

Underground water detection equipment-4(001)


Resistivty meter Accessorys

No.

Item

Quantity

1

WDDS-2/2B main frame

1pc

2

CD with BTRC2004 communication software and user's manual

1pc

3

USB communication line

1pcs

4

WDDS-2/2B Digital Resistivity Meter User's Manual

1pc

5

Electrode Array User's Manual

1pc

6

Equipment bag

1pc

7

Iron electrode

10pcs

8

Charger of

1set

9

Built-in high-voltage charger(only for WDDS-2B mainframe)

1set

10

Cable of external 12V battery

1pcs

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