Sensors Low Frequency
VAS-200
VAS-200 geophone is kind of low frequency geophone with high sensitivity developed following request of seismic exploration and engineering which is mainly to receive deep level, low frequency and weak signal. It can be used as single point and also 3- component
Detailed introduction
VAS-200 Specification
Parameter\Mode | VAS-200(20℃) |
Sensitivity (V/m/s) | 220±20% |
Open circuit damping | 0.73±20% |
Coil Resistance(Ω) | 41500±12% |
Spurious Frequency (Hz) | —— |
Max. Coil Excursion(mm) | 4 |
Distortion (%) | ≤0.9 |
Dimensions (mm) | 25.4×36 |
Temperature range（℃） | -40~+70 |
Warranty Period (Year) | 1 |
Weight (g) | 78 |
