GS-20DX
PRODUCT DETAILS
The GS-20DX vibration monitoring solution’s classic, rugged design with pigtail construction ensures this digital-grade geophone’s reliability and data integrity in field conditions.
Features
- Industry standard for cost-effectiveness, quality, and reliability
- Typical spurious response greater than 250 Hz
- 5% frequency and damping tolerance for minimum phase shift
- Waterproof Land and Marsh Cases require no potting and provide easy access to basic units
- Patented PCB Anchor Takeout anchors cable with break-strength equal to or greater than the cable
- Full three-year warranty on basic unit (exclusive of high-voltage, lightning, and physical abuse)
Mechanical Specifications
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Orientation
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Vertical and Horizontal available
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Moving Mass
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11.0 g (0.388 oz)
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Maximum Coil Excursion p-p
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1.5 mm (0.06 in.)
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Diameter
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2.54 cm (1.0 in)
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Height (less terminals)
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3.3 cm (1.3 in)
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Weight
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87.3 g (3.08 oz)
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Operating & Storage Temperature Range
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–45° to +100°C (–49 to +212°F)
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Electrical Specifications
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Frequency
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10 Hz *
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Spurious Frequency
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>250 Hz
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Distortion at Vertical
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<0.20%
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Coil Resistance
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395 Ω *
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Open-Circuit Sensitivity
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27.6 V/m/s (0.700 V/in/s)
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Sensitivity at 70% Damping
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19.8 V/m/s (0.502 V/in/s)
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Open Circuit Damping
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30%
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Tilt Angle when coil hits end stop
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Vertical geophone = 37° | Horizontal geophone ±10°
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* Other frequencies and resistances available.
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