Land cased geophone 5Hz is an ideal choice for deep seismic survey, nodal system and single point acquisition in landslide monitoring, shallow exploration in urban areas, natural seismic observing, background notice collecting, and etc.
Click here and download data sheet for land cased geophone 5Hz or contact us and get more detailed information.
For any inquiries, please contact with our Marketing Team at sales@seis-tech.com or Supporting Team at info@seis-tech.com.
Type | ST-5NA |
Natural frequency ( Fn ) | 5Hz ± 7.5% |
Open Circuit Damping | 0.60 ± 7.5% |
Coil resistance | 1850Ω ± 5% |
Open circuit sensitivity | 80.0 V/m/s ± 5% |
Harmonic distortion | ≦0.1% |
Typical spurious Frequency | ≧150Hz |
Moving Mass | 22.70g |
Max.coil excursion p-p | 3mm |
Max.tilt angle | 10º |
Element Diameter | 32.0mm |
Element Height | 44.0mm |
Element Weight | 166g |
Operating Temperature | -40℃ to + 80℃ |
Warranty Period | 1 year |
● All parameters specified herein are rated at a temperature 20℃±2℃. ● 1-year limited warranty on basic element exclusive of high voltage, lightening and physical abuse. |