|Place of Origin:||China|
|Delivery Time:||10 work days|
|Payment Terms:||T/T, Credit Card|
|Supply Ability:||10000 pcs/month|
Equivalent to GS-20DX geophone 28hz sensor Vertical
The GS 20DX geophone 28hz (EG-28-I) is a conventional double-lead spring geophone with small error in operating 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.
Its rugged design with pigtail construction ensures relability and data integrity in field conditions. Industry standard for cost effectiveness, quality and reliability.
EG-28-I (GS-20DX equivalent)
|Natural Frequency ( Hz )||28 ± 5%|
|Open Circuit Damping||0.27|
|Damping with calibration shunt||0.552 ± 5%|
|Open circuit sensitivity (v/m/s)||39|
|Sensitivity with calibration shunt(v/m/s)||28 ± 5%|
|Calibration shunt resistance(ohm)||1000|
|Harmonic distortion ( % )||＜0.2%|
|Typical Spurious Frequency (Hz )||≥350Hz|
|Moving Mass ( g )||11.0g|
|Typical case to coil motion p-p ( mm )||1.5mm|
|Height ( mm )||33|
|Diameter ( mm )||25.4|
|Weight ( g )||100|
|Operating Temperature Range ( ℃ )||-40℃ to +100℃|
|Warranty Period||3 years|
All parameters specified here in are rated at a temperature 20℃±2℃ .