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CMCs General Physics (1)
PHYSICS
Impedance up to the MHz range
Materials
Photometry
AC voltage, current, and power (1)
AC power and energy: single phase (frequency <= 400 Hz), reactive power (1)
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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Electricity and Magnetism for United Kingdom (.PDF file)
AC power and energy: single phase (frequency . Wattmeter, 0 % to 130 %
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µvar (VA)-1: 28 to 40
Digital sampling
Frequency: 50 Hz to 400 Hz
Voltage: 1 V to 1000 V
Current: 2 mA to 130 A
Power factor: 1 to 0, inductive or capacitive
The range given for uncertainty defines the minimum and maximum values. Maximum for zero power factor, minimum for unity power factor.
Approved on 06 August 2013
Internal NMI service identifier: 286,2