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)

PHYSICAL SPECIFICATIONS

Orientation	Vertical and Horizontal available
Moving Mass	11.0 g (0.388 oz)
Maximum Coil Excursion p-p	1.5 mm (0.06 in.)
Diameter	2.54 cm (1.0 in)
Height (less terminals)	3.3 cm (1.3 in)
Weight	87.3 g (3.08 oz)
Operating & Storage Temperature Range	–45° to +100°C (–49 to +212°F)

ELECTRICAL SPECIFICATIONS 25°C

Frequency	10 Hz *
Spurious Frequency	>250 Hz
Distortion at Vertical	<0.20%
Coil Resistance	395 Ω *
Open-Circuit Sensitivity	27.6 V/m/s (0.700 V/in/s)
Sensitivity at 70% Damping	19.8 V/m/s (0.502 V/in/s)
Open Circuit Damping	30%
Tilt Angle when coil hits end stop	Vertical geophone = 37° \| Horizontal geophone ±10°