EGL is a professional geophone manufacturer from China.
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Geophone Element

  • Geophone 4.5Hz

Geophone 4.5Hz

 

Geophone Element 4.5Hz Vertical / Horizontal

The geophone 4.5hz (EG-4.5-II) is a conventional type of moving coil geophone with small error in working parameters and stable and reliable performance. The structure is reasonable in design, small in size and light in weight, and is suitable for seismic exploration of strata and geological environments of different depths.

Type

EG-4.5-II

Natural frequency ( Hz  )

4.5±10%

Damping

0.6±5%

Coil resistance (ohm)

375±5%

Open circuit  sensitivity (v/m/s)

28.8±5%

Harmonic distortion ( %  )

≦0.2

Typical spurious  Frequency ( Hz )

≧150

Moving Mass ( g )

11.3

Max.coil excursion p-p  (mm)

4

Element Diameter (mm)

25.4

Element Height (mm)

36

Element Weight (g)

86

Operating Temperature(℃)

-40℃ to +100℃

All parameters specified here in are rated at a temperature 20℃±2℃ .

 

Response Curves for EG-4.5-II Geophone Element:

响应曲线4.5HZ 02.jpg响应曲线4.5HZ 01.jpg

geophone 4.5Hz Vertical.jpg

geophone 4.5Hz horizontal.jpg