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Geotech develops & manufactures full-series geophysical exploration instruments for mineral, environmental and engineering geological survey industries.

ERT Equipment: 5 Essential Features for Precision Subsurface Mapping

TIPS:Electrical Resistivity Tomography Equipment has revolutionized subsurface exploration across industries. Discover the top 5 features of modern ERT equipment that deliver high-resolution 2D/3D imaging for geotechnical, environmental, and utility mapping applications. Learn how multi-electrode resistivity systems from Geotech Instrument Co.,…

Promotional poster for JPMG‑21 proton magnetometer, with complete set including host control unit, sensor probes and rugged transport case; set against open-pit mining backdrop. This high-precision magnetic survey instrument is widely used for mineral prospecting, buried metal object detection, archaeological exploration and geologic structure mapping via magnetic anomaly measurement.

Proton Magnetometer Signal Modulation Due to Rotation (2026 Guide)

TIPS:This summary focuses on rotation-induced signal modulation of the proton magnetometer, a key issue for geomagnetic survey equipment. The proton magnetometer (also called proton precession magnetometer) needs stable signals, but rotation causes rotation-induced signal modulation—this affects data reliability in scenarios…