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CMCs General Physics (3)
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AC voltage, current, and power (3)
AC power and energy: single phase (frequency > 400 Hz), active power (3)
IONIZING RADIATION
Ambient dose equivalent rate
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Your query 'United Kingdom' produced 3 results New search

 
United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Electricity and Magnetism for United Kingdom (.PDF file)
AC power and energy: single phase (frequency > 400 Hz), active power. Wattmeter, 0.03 W to 3000 W
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µW (VA)-1: 200
3 voltmeter method
Frequency: 400 Hz to 30 kHz
Voltage: 0.3 V to 300 V
Current: 0.1 A to 10 A
Power factor: 1
Approved on 06 August 2013
Internal NMI service identifier: 286,3
 
AC power and energy: single phase (frequency > 400 Hz), active power. Wattmeter, 0 W to 3000 W
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µW (VA)-1: 500
3 voltmeter method
Frequency: 400 Hz to 30 kHz
Voltage: 0.3 V to 300 V
Current: 0.1 A to 10 A
Power factor: 1 to 0, inductive or capacitive
Approved on 06 August 2013
Internal NMI service identifier: 286,4
 
AC power and energy: single phase (frequency > 400 Hz), active power. Wattmeter, 0 W to 3000 W
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µW (VA)-1: 1200
3 voltmeter method
Frequency: 30 kHz to 100 kHz
Voltage: 0.3 V to 300 V
Current: 0.1 A to 10 A
Power factor: 1 to 0, inductive or capacitive
Approved on 06 August 2013
Internal NMI service identifier: 286,5