National Standards Authority of Ireland New Standards Shop

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NSAI NML can calibrate the following instruments:

  • Frequency Standards
  • Frequency Meters
  • Frequency Counters
  • Tachometers (Contact & Optical)
  • Timers and Stopwatches
  • Process Timers

The NSAI NML maintains a caesium beam tube atomic frequency/time standard along with various GPS-disciplined and free-running rubidium oscillators ensuring that calibrations performed by the NSAI NML have direct traceability to the SI second.

Scope (Summary)





David Fleming
Technical Manager - Time, Frequency and Acoustics Standards Laboratories 
T: +353 1 85 735 3773 / 808 2609/5