PRODUCTS
Single Geophone String in Vertical Direction
Various single geophone string in vertical direction for HVSR, MASW, near surface, shallow geological prospecting and deep seismic imaging are available.
- single geophone string in vertical direction types ranging from 1Hz to 100Hz with SM4 structure, SM6 structure, 20DX structure, 32CT structure, SG10 structure or GS One structure optional.
- Assorted geophone cases suitable for land, snow, desert, marsh and transition zone are available.
- Various geophone connectors including but not limited to Split spring connector, Muller clips, Kooter connector, KCL connector, KCK connector, 5515 geophone connector and SH17 WCR are selectable.
- Different options for geophone cables(Cable OD, Length or Tensile strength) are available as per client’s request.
Just contact us to get more detailed configurations and discounts.
For any inquiries, please contact with our Marketing Team at [email protected] or Supporting Team at [email protected].
MAIN TECHNICAL PARAMETERSSingle Geophone String in Vertical Direction Product Parameters
| 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.
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