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Geophysical Exploration instrument

Geophysical Exploration instrument

This geophysical exploration instrument is used for Geotechnical, Groundwater, Environmental, Archaeology, Non-Destructive Testing, and Structural Imaging Investigations.
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Product Details

geophysical exploration instrument (1)(001)


Application Field:

The geophysical exploration instrument can be used in energy exploration and civil geophysical prospecting, railway and bridge survey, mental and non-mental mineral survey. This geophysical instrument can also be used in hydro- and engineering geology survey, such as underground water, water reservoir dam site, flood control dam hidden trouble detection, and geothermic field survey.


System Included:

1. WDJD-4 Geophysical exploration instrument ( RES/IP)

2. Electrode switcher

3. Cable ( 30 take-out)

4. Electrode and plug

5. Software

6. External Battery


geophysical exploration instrument (2)(001)


Technical Specifications:

WDJD-4 geophysical exploration instrument

Receiving unit

Voltage precision

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

Input impedance

≥50MΩ

Apparent polarizability precision

±1% ± 1LSB

SP compensation range

±10V

Current channel

6 A, ±0.4% ± 1LSB, 24 bit A/D

Current precision

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

Suppression

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

Transmitting unit

Max transmitting power

For general Res/IP sounding, 6600W.

For multi-electrode Res imaging, 1125W, limited by WDZJ-4 switcher

For Res cable, 1350W

For IP cable, 2400W

Max voltage

For general Res/IP sounding, ±1100V (2200V peak to peak)

For multi-electrode Res imaging, 450V DC (limited by WDZJ-4 switcher)

Max current

For general Res/IP sounding, ±6A

For multi-electrode Res imaging, 2.5A DC (limited by WDZJ-4 switcher

Pulse width

1~60s, duty ratio 1:1

others

Display

160 × 160 dot matrix LCD

Storage

≥1GB

Working temperature

-10℃~+50℃, 95 %RH

Storage temperature

-20℃~+60℃

Instrument power

internal 12V 9Ah rechargeable battery , lasts for 30 hours (or 12V external power supply)

Weight

≤ 4.4 Kg

Dimension (L×W×H)

270mm X 246mm X 175mm


WDZJ-4 geophysical exploration instrument

Max electrode be connected

60 and 120 (for option)

Insulation impedance

≥500MΩ

Maximum working voltage

500VDC

Maximum working current

2.5ADC

Power supply

Internal 7.4V 4AH rechargeable lithium battery, last for continuously 25 hours work

Working temperature

-10℃~+50℃


Twist pair wire (Optional)

2*7 copper-clad-steel cores, 500m/roll, iron electrode


cable of geophysical exploration instrument (Optional)

30 take-out, 5m/10m space for option


Intelligent Res Cable for 2D Res Imaging (Optional)

Multi-electrode cable

32-core, outer diameter is Φ6mm

Maximum voltage

450V

Maximum current

3A

Take-out spacing

standard 5m or 10m (also customized according to order)

Cable insulation:

≥500MΩ/500V between any two cores

Copper Electrode for Multi-electrode Resistivity Cable   (Optional)

Copper electrode

Φ12mm x 280mm, with plug-pull clamp

Quantity

up to order


Intelligent IP Cable for 2D Res or 2D IP Imaging (Optional)

Cable

polyurethane coated, outer diameter Φ8mm

Quantity

up to order

Connector (take-out) number

10/sting (ten electrode per string)

Connector (take-out) spacing

1~10m (or up to order)

Connector size

Φ30mmx100mm (connector only), Φ39mmx170mm (including rubber head)

Maximum voltage

800V

Maximum current

3A

Cable insulation

cable between A, B connecting ports and cable between A, B connecting ports and the low voltage connecting port, insulation is more than 1000MΩ/1000V; cable between low voltage connecting ports, insulation is more than 500MΩ/500V

Working temperature

-20°C~+70°C

Stainless Steel Electrode for 2D/3D Resistivity Imaging   (Optional)

Stainless steel electrode

Φ10mm x 280mm, with stainless spring

Quantity

up to order



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