Professional Geophone Supplier in China
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Geophone Element

  • SM-4 Equivalent Geophone

SM-4 Equivalent Geophone

Type

EG-10-II ( Equivalent to SM-4 10Hz)

Natural frequency ( Hz )

10±5%

Open circuit damping

0.271±5%

Damping with calibration shunt

0.60±5%

Calibration shunt resistance(ohm)

1400

Open circuit sensitivity (v/m/s)

28.8±5%

Sensitivity with calibration shunt(v/m/s)

22.7±5%

Coil Resistance (ohm)

375±5%

Harmonic Distortion ( % )

0.2

Typical Spurious Frequency ( Hz )

240

Moving Mass ( g )

11.3

Max.coil excursion p-p (mm)

2.0

Max.tilt angle

20º

Element Diameter (mm)

25.4

Element Height (mm)

32

Element Weight (g)

74

Operating Temperature(℃)

-40 to +80℃

*Other Geophone Type available

( SM-6 Equivalent,SM-24 Equivalent,SG10 Equivalent,GS-20DX Equivalent, GS-32CT Equivalent, GS ONE Equivalent, 2Hz,2.5Hz,3Hz,4Hz,4.5Hz,8Hz,10Hz,14Hz,15Hz,28Hz,30Hz,38Hz,40Hz,60Hz,80Hz,100Hz )