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Seismic switch and strong motion

The MRSK2002 is the unique instrument available in the market with Class 1 (IEC 61513), Category A (IEC 61226) and SIL 2, SIL 3 in double or triple redundancies (IEC 61508) certification. Moreover, it is the first instrument in the market to meet the certified safety standards for nuclear applications. It combines the functionality of a seismic switch for “Class 1” trip systems with the functionality of a strong motion recorder in a monitoring network.

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Main features

  • System composed by recorder MR2002-SM16-K and sensor MS2002+
  • Rugged IP65 design
  • Calibrated for a lifetime
  • 1 GB event memory (500 hours)
  • Suitable for trip systems in NPPs/LNGs
  • Designed to be used in monitoring networks
  • Common timing and common triggering
  • Fully comprehensive periodic self-test
  • In compliance with:
    • IEC 60780 / IEC 60980
    • IEC 61513 Class 1
    • IEC 61226 Cat. A
    • IEC 61508 SIL 2 (SIL 3 with triple redundancy)
    • IEC 60880


Datasheet MRSK2002
Certificate Category A

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