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GeoSeeker – Geoelectrical water finder and cavity detector

Price InquiryAre you looking for underground water resources or hidden cavities up to depths of 250 meters (820 feet)?
The GeoSeeker is a professional geoelectrical water and cavity detector that measures the ground resistivity and visualizes its scan data in incredible 3d graphics. It is a very mobile and easy to operate geoelectrical detector designed and manufactured in Germany.

Made in Germany

Tested and certified by one of the leading technical experts in GermanyView Certificate

Wireless data transmission

Data transmission via USB

Compliance with the CE policies

         
 

General description

The GeoSeeker utilizes a geoelectrical measurement procedure based on Schlumberger to read the soil resistivity. Based on that ground resistance the detector is capable to locate underground water deposits, water-bearing gravel and groundwater level as well as cavities like caves, tunnels, chambers and the like. Thus the geophysical detector can be deployed as water finder or cavity detector at the same time.

The GeoSeeker’s hardware components are completely controlled by a modern Android Tablet PC. All commands and measurement results are transferred wireless via Wi-Fi. Using the pre-installed software application you simply select one of three supported scan modes:

  • Active Scan (Accurate)While using this scan mode the GeoSeeker utilizes two electrodes to inject electrical power into the underground soil. Two additional electrodes are measuring the potential difference (fall of voltage) at specific scan points to calculate the final resistivity value. This mode is used to detect underground water deposits, hidden caves or even impervious layers and barriers within the underground soil. In active scans you will be able to define a specific depth range in that you are going to conduct your measurement. So you will define a starting and ending depth between 5 meters (16 feet) and 250 meters (820 feet).
  • Active Scan (Quick)This scan mode is a quick version of the accurate scan. It is also injecting electrical current into the underground and measuring the potential difference (fall of voltage) to calculate the resistance of the soil.
  • Passive ScanWhile using this scan mode the GeoSeeker only utilizes two electrodes to read the natural occurring voltage of the underground (no electrical power is injected into the underground). This mode is used to detect underground flowing water only.

The graphical user interface of the GeoSeeker is available in the following languages:

  • Deutsch
  • English
  • Français
  • Español
  • Italiano
  • عربي
  • Ελληνικά
  • Türkçe
  • 中文
  • Pусский
  • Nederlands
  • فارسی

The GeoSeeker’s software application is providing simple step-by-step instructions to assist you in completing the measurement. You simply follow these pictured instructions until your measurement has been finished. After completing the measurement a graphical 3d representation of the measure values is created and displayed on the screen of your Tablet PC. Some color adjustment options are provided to optimize the graphical 3d visualization of your underground water deposits, water-bearing gravel and groundwater level (shown in bluish colors) as well as cavities, caves, tunnels, chambers or impervious layers (shown in reddish colors).

The GeoSeeker’s hardware is built-in into a waterproof and shock-resistance Peli case. So your geoelectrical equipment is well packed and always ready for transportation.

 

Technical specification

The following technical indications are medial values. During operation small variations are quite possible.

Controller (Receiving Unit)

Dimensions (H x W x D)   130 x 270 x 110 mm
Weight   0.6 kg
Weight (with mounted cable drums and batteries)   2.1 kg
Power Supply (8 AA batteries)   8 – 14 VDC
Operating Time (charged batteries)   min. 16 hours
Charging Time (empty batteries)   typically 3 hours, max. 5 hours
Input (for Charger)   12 VDC, 1.5 A
CPU   80 MHz Cortex M3
ADC   16 bit
Communication with Tablet PC   WLAN-Accesspoint, 2.4 GHz band, channel 6, WPA2
Communication with Power Box   2.4 GHz band, on-demand, proprietary
Effective Range (differential)   -1400 to +1400 mV
Input Resistance (static)   approx. 12 MΩ
Data Sampling Rate   4096 Hz (64 times oversampling of a 512 samples mean value)
Measurement Period per Scan Point   min. 16 seconds

Power Box (Sending Unit)

Dimensions (H x W x D)   230 x 550 x 360 mm
Weight   15.8 kg
Weight (with mounted Electrodes)   18 kg
Internal Power Supply   Lead Acid Battery (2 x 12 V, 10 Ah)
Output   max. 390 V, 0.5 A, 20 W
Operating Time (min. Power)   approx. 100 hours
Operating Time (average Power)   approx. 40 hours
Operating Time (max. Power)   approx. 8 hours
Charging Time   max. 8 hours
Input (for Charger)   24 VDC, 2 A
Communication with Controller   2.4 GHz band, on-demand, proprietary

Electrodes

Dimensions (L x W x D)   440 x 120 x 35 mm
Weight   0.52 kg

Power Cable Drums (Ø 290 mm)

Dimensions (H x W x D)   360 x 290 x 200 mm
Weight   6.5 kg
Cable Length   255 m
Markers   15

Voltage Cable Drums (Ø 120 mm)

Dimensions (H x W x D)   120 x 120 x 45 mm
Weight   0.65 kg
Cable Length   26 m
Markers   25

Scope of delivery

In the following table you can see the complete delivery contents and all optional accessories.
The used symbols have the following signification:

x times includedx = x times included not included = not included optional available, only for additional charge = optional available, only for additional charge
Description  
AA battery 1.5 V Yes8
Charger for Controller Yes1
Charger for Power Box Yes1
Controller Yes1
Electrode Yes4
Extension Cable ( 2 m ) Yes2
Holder for Tablet PC Yes1
Power Box Yes1
Power Cable Drum ( Ø 290 mm ) Yes2
Power Pack incl. charger and travel adapter Yes1
Tablet PC Yes1
User’s manual Yes1
Voltage Cable Drum ( Ø 120 mm ) Yes2

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