Transforming the way the world works

Seismic Systems

Robust recording instruments and sensors to monitor the effects of seismic activity.

High Resolution Seismic Recorders

Ref-Tek Wrangler
REF TEK Wrangler Broadband Seismic Recorder
The Wrangler is REF TEK's latest generation broadband seismic recorder featuring a 32-bit A/D performance boost and boasting a large dynamic range.

Broadband Seismometers

REF TEK Colt Broadband Seismometers
The new compact broadband seismometer offers exceptional low self noise performance in a small installation friendly form-factor

High Resolution Strong Motion Recorders

Trimble REF TEK 130-MC
Robust Multi-Channel Recorder designed around today's modern needs for civil engineering and structural monitoring with built-in communication facilities for real-time and on-demand data collection

Trimble REF TEK 130-SMHR
Combines the 130S-01 Broadband Seismic Recorder and an advanced low-noise Accelerometer, the 147A-01/3 to provide high dynamic range

High Resolution Accelerometer

Trimble REF TEK 147A
Strong Motion Accelerometer

Broadband Seismometer "Observer"

Trimble REF TEK 151B Series
A force-balance feedback sensor with frequency bandwidths