Seismic Geophone 4.5Hz,375ohms. Vertical Direction, Horizontal Direction and 3D Structure available.

Type: 4.5Hz-I
Natural Frequency ( Hz ): 4.5 ± 10%
Coil resistance(Ω): 375 ± 5%
Damping: 0.6 ± 5%
Open circuit intrinsic voltage sensitivity ( v/m/s ):28.8 v/m/s ± 5%
Harmonic distortion( % ):≦0.2%
Typical Spurious Frequency (Hz ):≧150Hz
Moving Mass ( g ):11.3g
Typical case to coil motion p-p ( mm ):4mm

Type: 4.5Hz-II
Natural Frequency ( Hz ): 4.5± 5%
Coil resistance(Ω): 375± 5%
Damping: 0.56± 5%
Open circuit intrinsic voltage sensitivity ( v/m/s ):28.8 v/m/s ± 5%
Harmonic distortion( % ):≦0.3%
Typical Spurious Frequency (Hz ):≧140Hz
Moving Mass ( g ):11.1g
Typical case to coil motion p-p ( mm ):3mm

EGL EQUPMENT SERVICES CO.,LTD( EGL) is a professional China geophone/hydrophone supplier which located in Xi'an,China. With the aim to integrate separated resources and supply our clients with all around Geophone / Geophysical Products and related services. All the founding partners of EGL have experiences of over 20 years' in the field of Geophone production / Geophysical services,with education background of PHD, Master or Geophysics Undergraduate Degree.

The business scope of EGL covers :

--Geophysical Equipment, Geological Instrument and related Cables, Spare Parts, such as Geophone Sensor,Single Seismic Geophone, Geophone String, Hydrophone, Dual Sensor,408UL/428XL Equivalent Cables, FM4 Equivalent Plugs, Resistivity Cables, Cable Take-outs, etc.

-- Drilling Facilities, such as Rig Driller Control Room, Tubing Machine Drilling Control Room, Offshore Drilling Platform Control Room, etc.

-- Oilfield Chemicals, such as Filtrate Reducers, Bentonite, Thinner, Lubricant, Defoamer, Emulsifier,etc.

All the products supplied by EGL are strictly produced as per Quantity Control System ISO9001:2008, API Specification Q1 and HSE. EGL also provide global logistics solution for every shipment including transportation by Sea, by Air and by Courier Express. During the past years, EGL has established stable business relationship with our Clients in US, Canada, Colombia,Chile, Peru, Brazil, UK, Germany, Saudi Arabia, UAE, Pakistan, India,Indonesia, Australia,etc.