Three component geophone( 3C 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 3C 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 3C geophones ranging from 1Hz to 100Hz and the most widely used types are triaxial geophone 10Hz, 3C geophone 4.5Hz and triaxial geophone 2Hz.