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High Sensitivity Geophone 1Hz

Low frequency and high sensitivity geophone 1Hz  (P/N: ST-1A) in  vertical direction (P wave) and horizontal direction (S wave) are available. They are suitable for deep seismic exploration, engineering pulse measurement and other vibration analysis.

  • Long travel version of the ST-1A geophone, with Max. coil excursion p-p 6.0mm.
  • Special orientations upon request beyond the normal vertical and horizontal options.
  • Widely used in industrial vibration-monitoring systems.
  • Rugged construction with precious-metal, rotating-coil contacts.
  • High sensitivity of 650.0V/m/s.
  • 1-year limited warranty on basic elements exclusive of high voltage, lightening or physical abuse.

Click here and download data sheet of high sensitivity geophone 1Hz or contact us and get more detailed information.

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Parameters for High Sensitivity Geophone 1Hz


Type1Hz Vertical Geophone(P/N: ST-1A V)1Hz Horizontal Geophone(P/N: ST-1A H)
Natural frequency ( Hz )0.75±0.10.75±0.25
Sensitivity (V/m/s)650±15%650±20%
DC Resistance (Ω)33000 ±10%33000 ±10%
Distortion ( % )≦0.9≦0.9
Moving Mass ( g )770770
Max. coil excursion p-p (mm)6.06.0
Element Diameter (mm)65.065.0
Element Height (mm)107.0107.0
Element Weight (g)1400.01400.0
Operating Temperature(℃)-40℃ to + 90℃-40℃ to + 90℃
Working DirectionVerticalHorizontal
● All parameters specified herein are rated at a temperature 20℃±2℃.

● 1-year limited warranty exclusive of high voltage, lightening or physical abuse.

* Version Released  on  2022-03-01

– Parameters are subject to change without prior notice.

– Other type of geophones are also available : SM-4 Equivalent, SM-24 Equivalent, SG10 Equivalent, GS-20DX Equivalent, GS-32CT Equivalent, GS ONE Equivalent, 2Hz, 2.5Hz, 3Hz, 4Hz, 4.5Hz, 5Hz, 8Hz, 10Hz, 14Hz, 15Hz, 28Hz, 30Hz, 38Hz, 40Hz, 60Hz,80Hz and 100Hz.

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