Low frequency and 1hz high sensitivity geophone (P/N: ST-1A) in vertical direction (P wave) and horizontal direction (S wave) are available, which 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 600.0V/m/s.
●1-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
Click here and download data sheet of low frequency 1hz high sensitivity geophone or contact us to get special discounts.
|Natural frequency ( Hz )||1±10%|
|Sensitivity (80hz) (V/m/s)||600±10%|
|DC Resistance (Ω)||35000 ±10%|
|Distortion ( % )||≦0.2|
|Insulation Resistance (MΩ)||≥50|
|Moving Mass ( g )||770|
|Max.coil excursion p-p (mm)||6.0|
|Element Diameter (mm)||65.0|
|Element Height (mm)||107.0|
|Element Weight (g)||1400.0|
|Operating Temperature(℃)||-40℃ to + 90℃|
|Metal Land Case Dimensions (mm)||Vertical: ∅75×166 / Horizontal: 75 x 75 x 166|
|Working Direction||Vertical or Horizontal|
|● All parameters specified herein are rated at a temperature 20℃±2℃.|
– 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.