| Customization: | Available |
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| Accuracy: | <1mm |
| Horizontal Line: | 1 |
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| Type | 1Hz Vertical Geophone(P/N: ST-1A V) | 1Hz Horizontal Geophone(P/N: ST-1A H) |
| Natural frequency ( Hz ) | 0.75±0.1 | 0.75±0.25 |
| Damping | 0.5±15% | 0.5±20% |
| Sensitivity (V/m/s) | 650±15% | 650±20% |
| DC Resistance (Ω) | 33000 ±10% | 33000 ±10% |
| Distortion ( % ) | <=0.9 | <=0.9 |
| Moving Mass ( g ) | 770 | 770 |
| Max. coil excursion p-p (mm) | 6.0 | 6.0 |
| Element Diameter (mm) | 65.0 | 65.0 |
| Element Height (mm) | 107.0 | 107.0 |
| Element Weight (g) | 1400.0 | 1400.0 |
| Operating Temperature(ºC) | -40ºC to + 90ºC | -40ºC to + 90ºC |
| Working Direction | Vertical | Horizontal |
| - All parameters specified herein are rated at a temperature 20ºC±2ºC. - 1-year limited warranty exclusive of high voltage, lightening or physical abuse. |
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