Precision Single 14 Hz Seismic Geophone Borehole Geophone
14 Hz Seismic Geophone in land case with spike 75mm, with 1m leader cable,terminated with Split Spring connector.
14 Hz Seismic Geophone Specification
Type | Single Geophone 14Hz |
Geophone Direction | Vertical / Horizontal Direction |
Geophone Type | 14 Hz |
Geophone Case | Waterproof Land Case |
Spike | Steel Spike length75mm |
Lead-in |
Standard:1mlead-in with O.D.4.6mm Custom Outer Diameter / Lead Distance available |
Connector Type |
*Mueller Clips *Split Spring Clip *KCK Connector( Male or Female / Push Fit or Lock Ring Type) *Kooter Connector( Male or Female /KCL male or KCL female or KC2L-4 Dual ) *Other Connector Type available |
Type | EG-14-II 14 Hz Seismic Geophone |
Natural Frequency ( Hz ) | 14 Hz ± 5% |
Coil resistance(Ω) | 375 Ω ± 5% |
Open Circuit Damping | 0.2 ±5% |
Damping With Shunt Resistor | 0.6 ± 5% |
Open Circuit Intrinsic Voltage Sensitivity ( v/m/s ) | 28.8 v/m/s ± 5% |
Sensitivity With Shunt Resistor ( v/m/s ) | 18.2 v/m/s ± 5% |
Damping Calibration-Shunt Resistance(Ω) | 640Ω |
Harmonic distortion ( % ) | <0.2% |
Typical Spurious Frequency (Hz ) | ≧240Hz |
Moving Mass ( g ) | 11.6g |
Typical case to coil motion p-p ( mm ) | 2mm |
Allowable Tilt | ≦20º |
Operating Temperature Range ( ℃ ) | -40℃ TO +100℃ |
Height ( mm ) | 32mm |
Diameter ( mm ) | 25.4mm |
Weight ( g ) | 74g |
Warranty Period | 3 years |