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Nanometrics

Nanometrics. Broadband Seismic Sensor Workshop 24 March 2004 Neil Spriggs. Nanometrics. Trillium 40. Trillium 40 broadband seismometer First seismometer development at Nanometrics Designed for local and regional studies Balance between spec/time to market, revenue for seismometer unit.

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Nanometrics

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  1. Nanometrics Broadband Seismic Sensor Workshop 24 March 2004 Neil Spriggs

  2. Nanometrics Trillium 40 Trillium 40 broadband seismometer • First seismometer development at Nanometrics • Designed for local and regional studies • Balance between spec/time to market, revenue for seismometer unit • Specifications • 40 seconds to 50 Hz • Power consumption <0.5 watts • Simple design with no mass lock • Wide operating temperature range with electronic mass centering

  3. Nanometrics Trillium 40 Very simple to manufacture • Symmetric triaxial design, identical axis • Single circuit board, surface mount • Automatic test software, axis and boards are manufactured independently and are interchangeable

  4. Nanometrics

  5. Nanometrics Trillium 40 Blue CMG-40T self noise Yellow Trillium 40 self noise Red CMG-3T self noise Green STS-2 self noise Data from IRIS comparison tests Coherence data, STS-2 vs. Trillium 40 Data from University of St Louis

  6. Nanometrics New Developments • Trillium 120 broadband seismometer • Response, 120 seconds to 50 Hz • Mechanical mass centering using stepper motor • Low power consumption, < 1watt • No mass lock, same mass support system as Trillium 40 • Onboard web server with serial interface • Factory calibration data in XML • Center masses using a laptop and browser • Review temperature and power SOH using a browser • Symmetric triaxial design for ease of manufacture

  7. Nanometrics Trillium 120 seismometer and Taurus hand held data Acquisition system

  8. Nanometrics Thank you. Nanometrics Inc www.nanometrics .ca

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