Seismic SM4 Geophone 10Hz Horizontal terminated with Split Spring connector
| Type | Single SM4 Geophone 10Hz |
| Geophone Direction | Vertical Direction / Horizontal Direction |
| Geophone Type | 10Hz |
| 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 |
Single SM4 geophone 10Hz Horizontal in land case with spike 75mm, with 1m leader cable,terminated with Split Spring connector.
| Type | EG-10-II (10Hz SM4) |
| Natural Frequency ( Hz ) | 10 ± 5.0% |
| Coil resistance(Ω) | 375 ± 5.0% |
| Open Circuit Damping | 0.271 ± 5.0% |
| Damping With Shunt Resistor | 0.6 ± 5.0% |
| Open Circuit Intrinsic Voltage Sensitivity( v/m/s ) | 28.8 v/m/s ± 5.0% |
| Sensitivity With Shunt Resistor ( v/m/s ) | 22.7 v/m/s ± 5.0% |
| Damping Calibration-Shunt Resistance (Ω) | 1400 |
| Harmonic distortion ( % ) | ＜0.20% |
| Typical Spurious Frequency (Hz ) | ≥240Hz |
| Moving Mass ( g ) | 11.3g |
| Typical case to coil motion p-p ( mm ) | 2.0mm |
| Allowable Tilt | ≤20º |
| Operating Temperature Range ( ℃ ) | -40℃ TO +100℃ |
| Height ( mm ) | 32 |
| Diameter ( mm ) | 25.4 |
| Weight ( g ) | 74 |
| Warranty Period | 3 years |
