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NSAI NML can calibrate the following instruments:

  • Digital Temperature and/or Humidity indicators and recorders, with temperature sensors
  • Resistance thermometers, calibrated by comparison
  • Resistance thermometers, fixed point calibration
  • Fixed point cells
  • Thermocouples up to 660 °C
  • Dry Block ‘calibrators’
  • Temperature calibration baths
  • Humidity generators
  • Temperature and/or Humidity Data-loggers
  • Chart recorders
  • Dial temperature gauges
  • Liquid-in-glass thermometers, mercury filled
  • Liquid-in-glass thermometers, spirit filled
  • Thermostats
  • IR thermometers
  • IR calibrators

The NSAI NML maintains temperature fixed point standards, covering a temperature range
from -38 °C to +420 °C,ensuring that calibrations performed by the NSAI NML have direct
traceability to the International Temperature Scale of 1990 (ITS-90).

Scope (Summary)


Approved Calibration and
Measurement Capabilities


ISO 17025:2017 Compliancecipm mra text
ISO 9001 Certificate BSI logo



Dubhaltach Mac Lochlainn
NSAI National Metrology Laboratory,
Glasnevin, Dublin 11 D11 E527

T: +353 1 808 2607 / 085 7175729