Various single geophone string in vertical direction for HVSR, MASW, near surface, shallow geological prospecting and deep seismic imaging are available.
Just contact us to get more detailed configurations and discounts.
For any inquiries, please contact with our Marketing Team at sales@seis-tech.com or Supporting Team at info@seis-tech.com.
Type | ST-4.5N( Equivalent to SM-6 B-Coil 4.5hz ) |
Natural frequency ( Hz ) | 4.5±10% |
Damping | 0.6±5% |
Coil resistance (ohms) | 375±5% |
Open circuit sensitivity (V/m/s) | 28.8±5% |
Harmonic distortion ( % ) | ≦0.2 |
Typical spurious Frequency ( Hz ) | ≧240 |
Moving Mass ( g ) | 11.3 |
Max.coil excursion p-p (mm) | 4 |
Max.tilt angle | 20º |
Element Diameter (mm) | 25.4 |
Element Height (mm) | 36 |
Element Weight (g) | 86 |
Operating Temperature( ℃ ) | -40℃ to + 100℃ |
Warranty Period | 3 years |
All parameters specified herein are rated at a temperature 20℃±2℃. | |
3- year limited warranty on basic element exclusive of high voltage, lightening or physical abuse. |
-Other type of geophones are also available : SM-4 Equivalent, SM-6, SM-24 Equivalent, SG10 Equivalent, GS-20DX Equivalent, GS-32CT Equivalent, GS ONE Equivalent, 1Hz, 2Hz, 2.5Hz, 3Hz, 4Hz, 4.5Hz, 5Hz, 8Hz, 10Hz, 14Hz, 15Hz, 28Hz, 30Hz, 38Hz, 40Hz, 60Hz,80Hz and 100Hz.