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GS-1 Low Frequency Seismometer: Spec Sheet

The GS-1 is a self-generating low frequency seismometer that detects seismic activity for structural analysis and geologic hazards. It has extremely low natural frequencies of 1.0 Hz or 2.0 Hz and can be oriented vertically or horizontally. Sensitivities range from 3.0 to 15.0 V/in/sec depending on the coil configuration. It measures 6.45 inches tall with a 3.0 inch diameter and weighs 69 ounces.

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143 views3 pages

GS-1 Low Frequency Seismometer: Spec Sheet

The GS-1 is a self-generating low frequency seismometer that detects seismic activity for structural analysis and geologic hazards. It has extremely low natural frequencies of 1.0 Hz or 2.0 Hz and can be oriented vertically or horizontally. Sensitivities range from 3.0 to 15.0 V/in/sec depending on the coil configuration. It measures 6.45 inches tall with a 3.0 inch diameter and weighs 69 ounces.

Uploaded by

Supriyo P
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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GS-1 Low Frequency Seismometer

GS-1

The GS-1 is a high sensitivity, self-generating velocity detector with extremely low natural frequencies. It is an
excellent choice for detecting seismic activity for structural analysis, geologic hazards, vibration isolation, etc.
GS-1 seismometers are available in 1.0 and 2.0 Hz natural frequencies, and vertical or horizontal oriented models.
Sensitivities range from 3.0 to 15.0 V/in/sec depending on coil configurations. Optional weather resistant cover
(w/level bubble), calibration coil and adjustable leg bases are available. A vernier spring adjustment is included.
Spec Sheet:
GS-1 Specifications
Natural Frequency 1.0 Hz ± 10%
Vertical ± 7.5°
Orientation Angle
Horizontal ± 0.5%
450 ohms ± 5%
DC Resistance 4550 ohms ± 5%
17,400 ohms ± 5%
3.0 V/in/sec ± 10%
Sensitivity (V/in/s) 7.0 V/in/sec ± 10%
15.0 V/in/sec ± 10%
Open Circuit Damping .54 ± 20%
Moving Mass 700 grams ± 5%
Coil Excursion > .25 in. P-P
Operating Temperature -40° to 100° C
Height: 6.45 in.
Dimensions (Basic Unit Diameter: 3.0 in.
Weight: 69 oz.
Shock 50 G
Notes:
1. Specification temperature is 25° C.
2. Two Hz model also available.
Consult the factory for ordering information.
GS-1 Seismic Detector Response Curve Output Vs. Frequency @ 450 Ohms
Seismic Detector Response Curve Output Vs. Frequency @ 4550 Ohms

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