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Digital Seismic Geophone Sensor 28Hz Vertical Horizontal Terminal

Categories Geophone Seismic Sensor
Brand Name: EGL
Model Number: EG-28-II
Place of Origin: CHINA
MOQ: 1 pcs
Payment Terms: Western Union, T/T,PayPal
Supply Ability: 10000pcs/month
Delivery Time: 5-8 work days
Packaging Details: Carton
Natural Frequency ( Hz ): 28Hz ± 5%
Sensitivity With Shunt Resistor ( v/m/s ): 31.0 v/m/s ± 5%
Coil resistance: 385 Ω ± 5%
Moving Mass: 10.2g
Harmonic distortion ( % ): <0.2%
Typical Spurious Frequency (Hz ): ≧300Hz
Price: Negotiable
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    Digital Seismic Geophone Sensor 28Hz Vertical Horizontal Terminal

    Geophone 28Hz , Vertical / Horizontal


    The Geophone 28Hz (EG-28-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.


    TypeEG-28-II
    Natural Frequency ( Hz )28Hz ± 5%
    Coil resistance(Ω)385 ± 5%
    Open Circuit Damping0.6± 5%
    Damping With Shunt Resistor0.634 ± 5%
    Open Circuit Intrinsic Voltage Sensitivity ( v/m/s )31.0 v/m/s ± 5%
    Sensitivity With Shunt Resistor ( v/m/s )29.5 v/m/s ± 5%
    Damping Calibration-Shunt Resistance(Ω)7500Ω
    Harmonic distortion ( % )<0.2%
    Typical Spurious Frequency (Hz )≧300Hz
    Moving Mass ( g )10.2g
    Typical case to coil motion p-p ( mm )1.6mm
    Allowable Tilt≦20º
    Operating Temperature Range ( ℃ )-40℃ TO +100℃
    Height ( mm )32mm
    Diameter ( mm )26mm
    Weight ( g )80g
    Warranty Period3 years



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



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