Same degree dual channel cross hole radar frequency 40MHz seismometer with 24 controllable sources for reliable purchase

Same degree engineering geophysical shallow land survey - urban road cavity scanning RDscan

Controllable shock source has a small volume, light weight, high resolution, and high efficiency in exciting seismic waves

Simultaneous geophysical exploration of CFC tunnel with advanced water detection resolution ≥ 1m for water content and water content prediction

Tunnel geological prediction seismic wave detector with reliable accuracy, easy operation, professional research and development

Same degree engineering geophysical exploration seismic exploration source can replace explosives for simple tunnel operation TDIS3800Z

The same degree advanced seismic wave detector has high accuracy, easy operation, and stable performance

A necessary tool for non-destructive testing of bridge pile disease detection and foundation disease identification system engineering