OKM GeoSeeker


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Price: $11,490.00
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Water and Cavity Detector Up To 250 Meters

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    Looking for DEEP DETECTION? If so, you may enjoy further info here - 2-STEP Detector Finder in OKM EXPLORER


    • Geoelectric Water And Cavity Detector: Determines the ground resistance up to a depth of 250m and visualizes the measured values in 3D
    • Depth: Customers found water up to 250 meters
    • Use Cases: Water detection, cavity detection, geotechnical engineering
    • Operating Modes: Geoelectrical scan
    • Detectable Objects: Water deposits, water-bearing gravel, cavities

    Package Includes

    • Controller incl. charger
    • Android Tablet 
    • Waterproof and Shock Resistant Pelican Case
    • 8x AA Battery 1.5 V (rechargeable)
    • Power Pack
    • Power Box incl. charger
    • 2x Power Cable Drum (Ø 290 mm)
    • 2x Voltage Cable Drum (Ø 120 mm)
    • 2x Connecting Cable (2m)
    • 4x Electrode
    • USB Flash Drive with OKM Visualizer 3D Studio Professional Edition 
    • User's Manual
    • Pre-configured Windows Notebook 


    Water Detector And Cavity detector Up To 250 Meters (820 ft) Depth


    Are you looking for underground water resources or hidden cavities up to depths of 250 meters (820 ft)? The GeoSeeker is a professional geoelectrical water detector 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.

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

    GeoSeeker Scan Modes

    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)
    • Active Scan (Quick)
    • Passive Scan

    • 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. Inactive 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 resistivity of the ground.
    • Passive Scan
      While using this scan mode the GeoSeeker only utilizes two electrodes to read the naturally occurring voltage of the underground (no electrical power is injected into the underground). This mode is used to detect underground flowing water only.

    For more info on OKM GeoSeeker - watch the OKM GeoSeeker video here!

    For Quick setup, Watch here! 

    GeoSeeker Software


    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). 

    GeoSeeker Languages


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

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

    GeoSeeker Transportation


    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.

    For more info on OKM GeoSeeker - watch the OKM GeoSeeker video here!

    For Quick setup, Watch here! 

    Voltage Cable Drums (Ø 120 mm)

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

    Power Cable Drums (Ø 290 mm)

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

    Controller (Receiving Unit)

    • Dimensions (H x W x D): 130 x 270 x 110 mm
    • Weight: 0.6 kg / 2.1 kg (with mounted cable reels and batteries)
    • Sample Rate: 4096 Hz (64 times oversampling of a 512 samples mean value)
    • Operating Time: Min. 16 hours (charged batteries)
    • Charging Time: 3 h / max. 5 h (empty batteries)
    • 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: –1400 to +1400 mV
    • Measurement Period Per Scan Point: Min. 16 seconds
    • Power Supply (8 AA batteries): 8 – 14 V DC
    • Input (For Charger): 12 V DC / 1.5 A
    • Input Resistance (Static): Approx. 12 MΩ

    Power Box (Sending Unit)

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


    • Dimensions (H x W x D): 440 x 120 x 35 mm
    • Weight: 0.52 kg
    The technical data are average values. Minor deviations are possible during operation.


    • This device ships free, internationally.
    • For free shipping, you need to submit a phone number. We share your phone number with the carrier.
    • If you do not submit a phone number we can not guarantee that the carrier will accept your package.

    *Import Duties, Taxes, and Charges: 

    ( For international customers that are located outside of the United States. )

    • Import Duties, Taxes, and Charges are not included. These charges are the buyer's responsibility.
    • Please check with your country's customs office to determine what these additional costs will be prior to buying.
    • Please don't hesitate to reach out with any questions and/or concerns that you may have.


    Looking for DEEP DETECTION? If so, you may enjoy further info here - 2-STEP Detector Finder in OKM EXPLORER


    For more info on OKM GeoSeeker - watch the OKM GeoSeeker video here!

    For Quick setup, Watch here! 

    For more OKM detectors - Click Here