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SENSORS

GS-ONE LF

GS-One LF Geophone

PRODUCT DETAILS

The GS-ONE LF 4.5Hz & 5Hz geophones’ improved sensitivity makes these single-element vibration monitoring systems’ designs compatible with the latest 24-bit data acquisition systems’ capabilities to record the extended dynamic range and bandwidth.

FEATURES

  • Moving mass: 25.2g (0.889 ounces)
  • Maximum coil excursion p-p: Less than 3mm (0.120 inches)
  • Diameter is 30.5 mm (1.2 inches)
  • Height less terminals is 40.7 mm (1.6 inches)
  • Weight is 131.00g (4.60 ounces)
  • Operation and Storage Temperature Range -40 to 80°C
  • Operation and Storage Temperature Range -40 to 176°F
GS-ONE LF@2x

Vertical MECHANICAL SPECIFICATIONS

Moving mass 25.2 g 0.889 oz
Maximum coil excursion p-p 3 mm 0.120 in.
Diameter 30.5 mm 1.2 in.
Height 40.7 mm 1.6 in.
Weight 131 g 4.60 oz

Operating and storage temperature range –40°C to +80°C –40°F to +176°F

ELECTRICAL SPECIFICATIONS

All parameters are specified at 25°C in the vertical position unless otherwise
stated.

Open-circuit sensitivity 2.55 V/in/s (100.4 V/m/s) +5%, –5%
Frequency 5 Hz ±0.5 Hz
Spurious frequency 160 Hz typical
Distortion at vertical <0.15% measured at 12 Hz with 0.7 in/s p-p
Open-circuit damping 0.31 to 0.45
Coil resistance 2450 Ω ±5%
Sensitivity with 20 kΩ load 2.27 V/in/s (89.4 V/m/s) typical
Damping with 20 kΩ load 0.67 typical
Tilt angle when coil hits end stop 30° from vertical

Horizontal MECHANICAL SPECIFICATIONS

Moving mass 25.2 g 0.889 oz
Maximum coil excursion p-p 3 mm 0.120 in.
Diameter 30.5 mm 1.2 in.
Height 40.7 mm 1.6 in.
Weight 131 g <4.60 oz /td>

Operating and storage temperature range –40°C to +80°C –40°F to +176°F

ELECTRICAL SPECIFICATIONS

All parameters are specified at 25°C in the horizontal position unless
otherwise stated.

Open-circuit sensitivity 2.55 V/in/s (100.4 V/m/s) +5%, –5%
Frequency 5 Hz ±0.5 Hz
Spurious frequency 160 Hz typical
Distortion at horizontal <0.15% measured at 12 Hz with 0.7 in/s p-p
Open-circuit damping 0.31 to 0.45
Coil resistance 2450 Ω ±5%
Sensitivity with 20 kΩ load 2.27 V/in/s (89.4 V/m/s) typical
Damping with 20 kΩ load 0.67 typical
Tilt angle when coil hits end stop 8° from horizontal

Specifications (4.5 Hz)

Vertical MECHANICAL SPECIFICATIONS

Moving mass 25.2 g 0.889 oz
Maximum coil excursion p-p 3.05 mm 0.120 in.
Diameter 30.5 mm 1.2 in.
Height 40.6 mm 1.6 in.
Weight 131 g 4.62 oz

Operating and storage temperature range –40°C to +80°C –40°F to +176°F

ELECTRICAL SPECIFICATIONS

All parameters are specified at 25°C in the vertical position unless otherwise
stated.

Open-circuit sensitivity 2.55 V/in/s (100.4 V/m/s) +10%, –10%
Frequency 4.5 Hz ±0.75 Hz
Spurious frequency 120 Hz typical
Distortion at vertical 0.25% typical measured at 12 Hz with 0.7 in/s p-p
Open-circuit damping 0.42 ±0.10
Sensitivity with 20 kΩ load 2.27 V/in/s (89.4 V/m/s) typical
Damping with 20 kΩ load 0.735 typical
Tilt angle when coil hits end stop 24° from vertical typical

Horizontal MECHANICAL SPECIFICATIONS

Moving Mass 25.2 g 0.889 oz
Maximum coil excursion p-p 3.05 mm 0.120 in.
Diameter 30.5 mm 1.2 in.
Height 40.6 mm 1.6 in.
Weight 131 g 4.62 oz
Operating and Storage Temperature Range –40°C to +80°C –40°F to +176°F

ELECTRICAL SPECIFICATIONS

All parameters are specified at 25°C in the horizontal position unless
otherwise stated.

Open-circuit sensitivity 2.55 V/in/s (100.4 V/m/s) +10%, –10%
Frequency 4.5 Hz ±0.75 Hz
Spurious frequency 120 Hz typical
Distortion at horizontal 0.25% typicalmeasured at 12 Hz with 0.7 in/s p-p
Open-circuit damping 0.42 ±0.10
Coil resistance 2450 Ω ±5%
Sensitivity with 20 kΩ load 2.27 V/in/s (89.4 V/m/s) typical
Damping with 20 kΩ load 0.735 typical
Tilt angle when coil hit end stop 5° typical from horizontal

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