SENSORS
GS-20DH
GS-20DH
PRODUCT DETAILS
The GS-20DH vibration monitoring solution is a high-frequency, high-output digital-grade geophone designed for longevity and reliability. The Geospace manufacturing process includes checking of geophone operating parameters to ensure they fit in with guidelines set by the ATS, an automated, computerized test system.
FEATURES
- Clean response to 400 Hz
- High-frequency, high-output
- Works in any position
- Low-cost, long-life
- Full one-year warranty
MECHANICAL SPECIFICATIONS
| Orientation Omni Moving Mass | 7.1 g (0.25 oz) |
| Maximum Coil Excursion p-p | 1.52 mm (0.06 in.) |
| Diameter | 2.69 cm (1.06 in.) |
| Height (less terminals) | 3.35 cm (1.32 in.) |
| Weight | 99 g (3.5 oz) |
| Operating & Storage Temperature Range | –45 to +100°C (–49 to 212°F) |
ELECTRICAL SPECIFICATIONS @25°C
| Frequency | 28 Hz * |
| Spurious Frequency, typical | > 300 Hz |
| Distortion at Horizontal | < 0.30% |
| Coil Resistance | 600 Ω * |
| Open-Circuit Sensitivity | 35.43 V/m/s (0.90 V/i/s) |
| Sensitivity at 70% Damping | 29.92 V/m/s (0.76 V/i/s) |
| Open-Circuit Damping | 57% |
| Frequency | 40 Hz * |
| Spurious Frequency, typical | > 450 Hz |
| Distortion at Horizontal | < 0.30% |
| Coil Resistance | 600 Ω * |
| Open-Circuit Sensitivity | 35.43 V/m/s (0.90 V/i/s) |
| Sensitivity at 70% Damping | 17.32 V/m/s (0.44 V/i/s) |
| Open-Circuit Damping | 40% |
