Three component geophone( 3-C geophone) is kind of land cased geophone to perform HVSR,MASW and vibration analysis, with features of robust, light weight and convenient for field operation. One vertical and two horizontal high-precisions geophone sensors are properly coupled and mounted in a robust waterproof 3-C case which equipped with 75mm steel spikes. three- component geophone is widely adopted in underground water surveys, geological stratigraphy, landslide studies, pile foundation detecting, subsoil cavities detection, mining, archaeology, etc.
Seis Tech supplys various of 3-C geophones ranging from 1Hz to 100Hz and the most widely used types are 3C geophone 2Hz and 3C geophone 4.5Hz.