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“Compact Geoelectrical Water and Cavity Detector up to 100m Deep”
Like its big brother, the GeoSeeker, the OKM GeoSeeker Mini utilizes a geoelectrical measurement procedure based on Schlumberger. It is a highly effective water and cavity detector that determines soil resistance down to a maximum depth of 100 meters (328 ft).
Based on the apparent resistivity of the ground, the GeoSeeker Mini is capable of detecting underground water resources such as fresh water, drinking water, water-bearing gravel, and the groundwater level. Conversely, because groundwater has excellent conductivity, very poor conductivity is an indicator of hidden cavities like caves, tunnels, chambers, and underground rooms.
This makes the geoelectrical detector GeoSeeker Mini a versatile dual-purpose tool, functioning simultaneously as a water finder and a cavity detector. Its intuitive touchscreen operation and multilingual, picture-based interface make it accessible for users worldwide, regardless of language or experience level.
| Brand | OKM Detectors |
| Max Depth | Up to 100 Meters (328 ft) |
| Technology | Geoelectrical Measurement (Schlumberger) |
| Operating Mode | Geoelectrical Scan |
| Primary Uses | Water Detection, Cavity Detection, Geotechnical Engineering |
| Display | Color Display / Touchscreen (Multilingual) |
| Visualization | 2D Visualized Measured Values |
| Memory & Power | Internal Memory / Rechargeable High-Capacity Battery |







| I. Control Unit | |
| Dimensions (H x W x D) | 410 x 340 x 180 mm |
|---|---|
| Weight | 4.5 kg |
| Input Voltage (max.) | 11 – 13 V DC / 30 W |
| Display | 3.5″ Resistive Touch, 480 x 320 Pixels |
| Processing & Memory | 80 MHz Cortex M3 CPU, 4 GB Data Memory |
| Sampling Rate | 4096 Hz (64 times oversampling of 512 values) |
| Operating Time | Approx. 6 – 8 hours |
| Measurement Time per Point | Min. 16 seconds |
| II. Accessories & Hardware | |
| Power Cable Drums (x2) | 360 x 290 x 200 mm, 3.6 kg, 100m Cable (10 Markers) |
| Electrodes (x4) | 270 x 120 x 35 mm, 0.4 kg |
| Voltage Cables (x2) | 10m Length (10 Markers) |
*During technical development or for specific model configurations, the actual scope of delivery may vary slightly from the components shown here.
Q: How deep can the GeoSeeker Mini detect water or cavities?
A: Utilizing geoelectrical measurements, customers have successfully detected water and cavities down to depths of 100 meters (328 ft).
Q: How does it differentiate between water and a cavity?
A: It measures electrical resistivity. Water has excellent conductivity (low resistivity), displayed in blue. Cavities have poor conductivity (high resistivity), displayed in red.
Q: Do I need special software to analyze the results?
A: No, the GeoSeeker Mini features a built-in touchscreen that calculates and displays a representative 2D scan image directly on the device immediately after measurement.
Q: Is it difficult to operate?
A: Not at far. It is designed to be language-independent, utilizing simple pictures and pictograms to guide the user step-by-step through the process of placing electrodes and taking measurements.
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| SKU | okm-geoseeker-mini |
|---|