McSEIS-PS

다운홀 시스템 OYO

8 ch Seismograph for PS Logging

McSEIS-PS

Geode, BHG-2/BHG-3

다운홀 시스템 Geostuff

Wall-Lock Borehole Geophones

Geode, BHG-2/BHG-3

Elast logger 3i

PMT 시스템

Digital Pressuremeter

Elast logger 3i