High Sensitivity Vertical Geophone 4.5hz Engineering Vibration Test
The Vertical 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.

Geophone Response Curve and Phase Lag of Geophone 4.5Hz
All parameters specified here in are rated at a temperature 20℃±2℃ .
Type | EG-4.5-II |
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 |
Allowable Tilt | ≦20º |
Operating Temperature Range ( ℃ ) | -40℃ TO +100℃ |
Height ( mm ) | 36mm |
Diameter ( mm ) | 25.4mm |
Weight ( g ) | 86g |
Warranty Period | 3years |
EGL is a professional geophone supplier which located in 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. We are a professional supplier for Geophysical Equipment, Geological Instrument and related Cables, Spare Parts, such as ( but not limited to) geophone sensor, three component geophone, single seismic geophone, geophone string, hydrophone, geophysical connector & plug, seismic cable, telemetry cable, resistivity cable, cable take-outs. 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.
Shipment | DHL ,UPS , FedEx , By Air , By Sea |
MOQ | 1 set |
Advantage | Fast shipping |
Package | Packed by carton |
Payment | Bank Transfer, Paypal, Western Union, Alibaba Pay |