GS-20DM
PRODUCT DETAILS
The GS-20DM geophone is compatible with industry-standard recording instrumentation. The GS-20DM is proven to provide high-quality data and superior field reliability for land, marsh, or transition-zone seismic data acquisition and vibration monitoring.
Features
- Low distortion < 0.20%
- +/- 5% tight tolerance specifications
- Ideal for 2D or 3D land and marsh seismic data recording
Mechanical Specifications
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Orientation
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Omni
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Moving Mass
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5.6 g (0.20 oz) /td>
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Maximum Coil Excursion p-p
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2.0 mm (0.08 in.)
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Diameter
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2.22 cm (0.875 in.)
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Height
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2.54 cm (1.00 in.)
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Weight
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43 g (1.5 oz)
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Operating Temperature Range
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–45°C to +100°C (–49 to +212°F)
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Electrical Specifications
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Frequency
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28 Hz *
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Spurious Frequency (typical)
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> 400 Hz
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Distortion
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< 0.5%
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Coil Resistance
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270 Ω *
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Open-Circuit Sensitivity
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15.12 V/m/s (0.384 V/i/s)
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Sensitivity at 70% damping
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11.61 V/m/s (0.295 V/i/s)
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Open-Circuit Damping
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60%
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*Other frequencies and resistances available.
Resources
