Land Cased Geophone 4.5Hz for HVSR and Surface Waves Acuqistion is a long coil travel version geophone, which is equivalent to SM-6 B coil 4.5hz geophone. The extra coil travel offers an advantage for higher tilt requirements and where larger amplitude signals may be encountered, for example, in industrial vibration monitoring.
The geophone can be supplied for vertial and horizonta orentation, which is an ideal choice for the shear-wave horizontal elements, partnering the ST-4.5N vertical geophone in a 3-component package.
- Long travel version of the ST-4.5N geophone.
- Special orientations upon request beyond the normal vertical and horizontal options.
- Widely used in HVSR, MASW, Surfce Waves and Vitration Monitoring Analyais.
- Vertical and Horizontal elements available and also suitable for 3-C applications.
- Different type of geophone cases which are suitable for land,desert, snow, marsh and transition zone respectively.
- Assorted geophone connectors available, including but not limited to split clips, Mueller clips, Kooter connector, KCK connector, BNC connector, etc.
- Could be used as a trigger starter geophone.
- Steel Soil Spike for soft earth and Tripod Base for hard surface are available and interchangeable.
- Ideal choice for shear-wave horizontal elements.
- Rugged construction with precious-metal, rotating-coil contacts.
- 3-year limited warranty on basic element exclusive of high voltage, lightening or physical abuse.
- Custom geophone connector and lead wire applicable upon request.
