High sensitivity geophone 4.5Hz (P/N: ST-4.5A) is a specialized low frequency geophone sensor with open circuit sensitivity of 100.0V/m/s. The ST-4.5A geophone can be supplied for vertical and horizontal orientation, which is an ideal choice for the shear-wave horizontal elements, partnering the ST-4.5A vertical sensitivity geophone in a 3-component package. High open circuit intrinsic voltage … Continue reading High Sensitivity Geophone 4.5Hz