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Nanometrics Trillium 120 Broadband Sensor

Note:  PASSCAL has purchased 34 new Nanometrics Trillium 120PA seismometers -winter 2011.

Salient Features:

  • Long-period corner is120 seconds; sensor's self-noise is within 4db of the New Low Noise model (NLNM) at 100 seconds and below the NLNM up to 10 Hz.
  • Low power.
  • Easy to use - No Mass lock/unlock; Masses are free to move at all times.
  • Mass centering motors initiated remotely.
  • Alignment - Vertical scribe marks for (N and S); Precision guide in cover; Holes for E and W alignment rods(5/16")

Manufacturer Documents:

Response Characteristics:

Update: New Response Files Are Available!