VIBRATION

vaVibration Laboratory has developed high accuracy capability to support national vibration and shock measurement activities. The chart illustrates the traceability for vibration measurement in Malaysia.

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Reference standard accelerometer B&K 8305

The highest reference standard established is laboratory standard accelerometer B&K 8305 that is maintained using Laser Interferometry Calibration System. The frequency range is from 5 Hz to 10 kHz with the best uncertainty of 0.4%. 

PHOTOMETRY

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Photometry and Radiometry Laboratory has developed high accuracy system to support national illuminance scale. Illuminance scale is one of the fundamentals in the realisation of candela in optical radiation. The chart illustrates the traceability for illuminance parameter measurement in Malaysia. 

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Measurement  range is start from 10 to 1000 lux with expanded uncertainty 1.1 %

 

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Reference standard photometer

RF & MICROWAVE

RF power and scattering parameter or S-parameter are the quantity associated with microwave measurements where the services are offered by the laboratory to support national RF and microwave measurements activities. Measurement frequency capability starts from the range of 10 MHz up to 18 GHz. The measurements are limited to Type N and PC7 connectors. The estimated uncertainties for RF power and S-parameter are described as follows:

 

Parameters

Uncertainty (±)
RF power at 1 mW 2.0 % to 2.4 %
Reflection Coefficient 0.015
Attenuation 0.2 to 3.5 dB

 

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POWER & ENERGY

AC power and energy standard are maintained by Power/Energy Laboratory of NMIM. The function of the laboratory is to provide measurement and calibration of AC power and energy. In legal metrology, the laboratory involved in pattern approval of electricity meter used for trade.   

 

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