The A*STAR’s National Metrology Centre (NMC) is the national measurement institute of Singapore, dedicated to advancing measurement science for an innovative and competitive economy
NMC establishes, develops, maintains and disseminates the national measurement standards traceable to the International System of Units, providing key support to a wide spectrum of industry.
Achieving the nation’s highest level of physical measurement through close collaboration with leading national and international organisation.
With a multidisciplinary team of experienced scientists and engineers and state-of-the-art facilities, NMC provides dedicated services to industry partners to meet their specific needs.
NMC believes in working in close collaboration with industry partners, to create values for them and fuel growth for the industry.
The Temperature & Humidity Laboratory develops, maintains and disseminates the temperature and humidity national measurement standards in Singapore.
Temperature fixed point standards are used for the realisation of the International Temperature Scale of 1990 (ITS-90) from -189 °C to 961 °C at expanded uncertainties (k = 2) from 1 mK to 8 mK.
Qualified standard platinum resistance thermometers (SPRTs) can be calibrated according to ITS-90 definition.
Temperature fixed point standards
Standard platinum resistance thermometer
Mini Temperature Fixed Point Standard
Mini temperature fixed point cells
Reference standard thermocouple
The primary standard radiation thermometer is used
for realising the ITS-90 above the silver point temperature (961.78 °C)
according to ITS-90 definition.
Typical calibration uncertainties (k = 2) of
radiation thermometers from the silver point temperature to 2000 °C are
from 1 °C to a few degree Celsius.
Fixed point blackbodies and primary standard radiation thermometer
Fixed point blackbodies and transfer standard radiation thermometer
The two-pressure humidity generator covers the relative humidity from 12 % to 95 % relative humidity at temperature range from 0 °C to 70 °C. It is suitable to calibrate relative humidity hygrometers at expanded uncertainty (k = 2) better than 2% relative humidity.
Calibration of a hygrometer using the Standard Humidity Generator
Standard Low Humidity Generator
Standard low humidity generator
Dew point meter
National Metrology Centre
1 Science Park Drive
T: +65 6279 1900
F: +65 6279 1992/1993
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