GS-30CT Close Tolerance Specs, Low-Distortion Geophone

PRODUCT DETAILS

The GS-30CT geophone features tight tolerance specifications, low distortion, high spurious response, and field-proven reliability.

Features

  • Orientation: Vertical and horizontal available
  • Moving Mass: 11.2g (0.395 ounces)
  • Maximum Coil Excursion p-p: Less than 1.52mm (0.059 inches)
  • Diameter is 2.54 cm (1.00 inches)
  • Height less terminals is 3.30 cm (1.30 inches)
  • Weight is 86.00g (3.03 ounces)
  • Operation and Storage Temperature Range -45 to 100°C (-49 to 212°F)

Physical Specifications

Orientation
Vertical and Horizontal available
Moving Mass
11.2 g (0.395 oz)
Maximum Coil Excursion p-p
>1.52 mm (0.059 in.)
Diameter
2.54 cm (1.00 in.)
Height (less terminals)
3.30 cm (1.30 in.)
Weight
86.00 g (3.03 oz)
Operating & Storage Temperature Range
–45 to +100°C (–49 to 212°F)

Electrical Specifications

Frequency
10 Hz *
Spurious Frequency
>160 Hz
Distortion at Vertical
<0.08%
Coil Resistance
395 Ω *
Open-Circuit Sensitivity
27.5 V/m/s (0.698 V/in/s)
Sensitivity at 70% Damping
19.7 V/m/s (0.500 V/in/s)
Open Circuit Damping
31.6%
Tilt Angle when coil hits end stop
Vertical geophone = 37° | Horizontal geophone ± 10°

* Other frequencies and resistances available.