Technical Introduction: "Detection of Special Underground Shelters Using High-Frequency CSMT Exploration Method"

Confirmed high accuracy in practical experiments compared to other exploration methods!

At Geochronology Japan Co., Ltd., we can detect special underground cavities using the "High-Frequency CSMT Exploration Method" with cavity scanners. This exploration method allows us to determine the location of cavities without setting up a grid of measurement lines by utilizing the shadow effect. This technique has made it possible to detect high-resistivity materials, which were previously considered difficult to identify, thanks to the "Near-Field Amplifier Effect." 【Features】 ○ Grasp the approximate location of cavities across a wide investigation area ○ Determine the location of cavities with high resolution → The "Near-Field Amplifier Effect" reveals what was previously invisible with existing methods ○ Achieve a high soil cover ratio (depth to cavity / height of cavity: H/d ratio) ○ High versatility ○ Registered with NETIS, Patent No. 4229371 obtained For more details, please contact us or download the catalog.

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