タイトルまたは説明

Single Seismic Geophone *4Hz,in Land Case with 1Meter Leader Cable and Terminated with Clips( Split Spring Clips,Mueller Clips and KCK Connectors optional). With Vertical Direction, Horizontal Direction and 3 Component Structure available.
Natural Frequency ( Hz ):*4 ± 5%
Coil resistance(Ω):**5 ± 5%
Open Circuit Damping:0.2 ±5%
Damping With Shunt Resistor:0.6 ± 5%
Open Circuit Intrinsic Voltage Sensitivity ( v/m/s ):*8.8 v/m/s ± 5%
Sensitivity With Shunt Resistor:*8.2 v/m/s ± 5%
Damping Calibration-Shunt Resistance(Ω):**0Ω
Harmonic Distortion ( % ):＜0.2%
Typical Spurious Frequency (Hz ):≧**0Hz
Moving Mass ( g ):*1.6g
Typical Case To Coil Motion p-p ( mm ):2mm
Operating Temperature Range ( ℃ ):**0℃ TO ***0℃