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.
Vibration Laboratory has developed high accuracy capability to support national vibration and shock measurement activities. The chart illustrates the traceability for vibration measurement in Malaysia.
|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%.|
Reference standard accelerometer B&K 8305
The high voltage and high current capabilities in the laboratory are described as follows:
|Systems||Parameter||Capability Range||Best Measurement Uncertainty (±)|
|Impulse high voltage||Peak Voltage||50 kV - 500 kV||1.1%|
|AC high voltage||AC high voltage||5 kV - 200 kV||0.66%|
|DC high voltage||DC high voltage||5 kV - 150 kV||0.10%|
|> 150 kV - 270 kV||0.60%|
|Current Transformer||Ratio Error||Primary current: 5 A - 2000 A; Secondary current: 5 A||0.05%|
|Voltage Transformer||Ratio Error||Primary voltage: 3.3 kV - 11 kV; Secondary voltage: 110 V||0.05%|
Voltage Laboratory has developed high accuracy capability to support national voltage activities. The chart illustrates the traceability for voltage measurement in Malaysia.
The traceability of DC voltage standard to SI unit is realised by using Josephson Junction Voltage system in the range of 1 V, 1.018 V and 10 V with best uncertainty at 0.2 mV.
|JJV Systems||Zener Voltage Standard 732B||Zener Voltage Standard 7001|