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Multisensor broadband instruments with high sensitivity and ultra high dynamic range

Guralp provides a range of borehole and ocean bottom instruments that combine the high sensitivity of our seismometers with the high clip-level of our accelerometers, delivering a hybrid instrument with vast dynamic range.

Key Features

  • Force feedback broadband instruments
  • Integrated triaxial seismometers and acceleromters 
  • Waterproof and durable with O-ring seals throughout
  • Single power and communications interface
  • Digital output and communication versions available

Model range

Guralp Radian posthole or borehole – Datasheet View as PDF
3T/5TB – High dynamic range borehole instrument – Datasheet View as PDF
3T/5T Ocean Bottom Seismometer – Hybrid sensors can be incorporated into our OBS housings - see our Güralp OBS brochure View as PDF for more information


See individual data sheets, or contact us to discuss your requirement further


Hybrid Borehole Seismometer



Guralp Systems Limited
Midas House
Calleva Park

Tel: +44 118 981 9056
Fax: +44 118 981 9943