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 CMCs General Physics (17)
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AC voltage, current, and power (17)
 AC (4)
 AC power and energy: three phase (4)
 AC power and energy: single phase (4)
 AC voltage ratio: real component and imaginary component (2)
 AC current ratio: real component and imaginary component (2)
 AC voltage (1)
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APMP (17)
 Japan (17)
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 Your query 'Japan' produced 17 results New search

 Japan, NMIJ AIST (National Metrology Institute of Japan)
Complete CMCs in Electricity and Magnetism for Japan (.PDF file)
AC voltage ratio: real component and imaginary component. Inductive voltage divider: imaginary component, -0.1 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.09E-08 to 1.5E-06
Comparison with the reference
Frequency: 50 Hz to 100 kHz
Voltage: 10 V, 100 V
Approved on 31 October 2016
Internal NMI service identifier: NMIJ/5.3.1b
Uncertainty table
 AC current ratio: real component and imaginary component. Current comparator and current transformer: imaginary component, -0.001 rad to 0.001 rad Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µrad: 0.21 to 77 Ampere-turn comparison Frequency: 45 Hz to 4000 Hz Primary current: 5 A to 50 A Ratio: 1 to 1000 Approved on 31 October 2016 Internal NMI service identifier: NMIJ/6.3.1b Uncertainty table
 AC voltage ratio: real component and imaginary component. Inductive voltage divider: real component, -0.1 to 1 Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.04E-08 to 2.9E-06 Comparison with the reference Frequency: 50 Hz to 100 kHz Voltage: 10 V, 100 V Approved on 31 October 2016 Internal NMI service identifier: NMIJ/5.3.1a Uncertainty table
 AC/DC voltage transfer: AC/DC transfer difference at lower voltage. AC-DC transfer standard, 0.01 V to 0.1 V Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 10 to 130 Comparison Frequency: 10 Hz to 100 kHz Approved on 31 October 2016 Internal NMI service identifier: NMIJ/5.1.1 Uncertainty table
 AC voltage. AC voltmeter, 1 V to 10 V Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 9 to 150 Comparison Frequency: 4 Hz to 100 kHz Approved on 31 October 2016 Internal NMI service identifier: NMIJ/5.2.2 Uncertainty table
 AC/DC current transfer. Thermal converter, 10 mA Relative expanded uncertainty (k = 2, level of confidence 95 %) in µA/A: 3 to 4 Comparison Frequency: 40 Hz to 100 kHz Approved on 31 October 2016 Internal NMI service identifier: NMIJ/6.1.1 Uncertainty table
 AC current ratio: real component and imaginary component. Current comparator and current transformer: real component, 1 to 1000 Relative expanded uncertainty (k = 2, level of confidence 95 %) in µA/A: 0.4 to 55 Ampere-turn comparison Frequency: 45 Hz to 4000 Hz Primary current: 5 A to 50 A Ratio: 1 to 1000 Approved on 31 October 2016 Internal NMI service identifier: NMIJ/6.3.1a Uncertainty table

 Japan, JEMIC (Japan Electric Meters Inspection Corporation)
Complete CMCs in Electricity and Magnetism for Japan (.PDF file)
AC power and energy: single phase. Power converter, power meter, 0 W to 6000 W
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µW (VA)-1: 10 to 45
Direct comparison
Frequency : 45 Hz to 65 Hz
Power factor: any
Voltage: 50 V to 120 V
Current: 0.5 A to 50 A
Approved on 31 October 2016
Internal NMI service identifier: JEMIC/7.1.1
Uncertainty table
 AC power and energy: single phase. Reactive power meter, 0 var to 6000 var Relative expanded uncertainty (k = 2, level of confidence 95 %) in µvar (VA)-1: 28 to 44 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: any Voltage: 50 V to 120 V Current: 0.5 A to 50 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.1a Uncertainty table
 AC power and energy: single phase. Energy meter, 200 J to 9000 J Relative expanded uncertainty (k = 2, level of confidence 95 %) in µJ/(VAs): 33 to 50 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: 1 to 0.1 L/C Voltage: 50 V to 120 V Current: 2.5 A to 5 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.1b Uncertainty table
 AC power and energy: single phase. Reactive energy meter, 200 var to 9000 var Relative expanded uncertainty (k = 2, level of confidence 95 %) in µvar s (VAs)-1: 33 to 50 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: 0 C to 0.995 C, 0 L to 0.995 L Voltage: 50 V to 120 V Current: 2.5 A to 5 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.1c Uncertainty table
 AC power and energy: three phase. Power meter, 0 W to 1800 W Relative expanded uncertainty (k = 2, level of confidence 95 %) in µW (VA)-1: 26 to 35 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: any Voltage: 50 V to 120 V Current: 2.5 A to 5 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.3a Uncertainty table
 AC power and energy: three phase. Reactive power meter, 0 var to 1800 var Relative expanded uncertainty (k = 2, level of confidence 95 %) in µvar (VA)-1: 26 to 35 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: any Voltage: 50 V to 120 V Current: 2.5 A to 5 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.3b Uncertainty table

 Japan, NMIJ AIST (National Metrology Institute of Japan)
Complete CMCs in Electricity and Magnetism for Japan (.PDF file)
AC/DC voltage transfer: AC/DC transfer difference at medium voltage. Thermal converter, 0.1 V to 5 V
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 2 to 35
Comparison
Frequency: 10 Hz to 1 MHz
Approved on 31 October 2016
Internal NMI service identifier: NMIJ/5.1.2
Uncertainty table
 AC/DC voltage transfer: AC/DC transfer difference at higher voltage. Thermal converter with range extender, 20 V to 1000 V Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 5 to 48 Comparison Frequency: 10 Hz to 1 MHz Approved on 31 October 2016 Internal NMI service identifier: NMIJ/5.1.3 Uncertainty table

 Japan, JEMIC (Japan Electric Meters Inspection Corporation)
Complete CMCs in Electricity and Magnetism for Japan (.PDF file)
AC power and energy: three phase. Energy meter, 400 J to 27000 J
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µJ/(VAs): 32 to 40
Direct comparison
Frequency : 45 Hz to 65 Hz
Power factor: 1 L/C to 0.1 L/C
Voltage: 50 V to 120 V
Current: 2.5 A to 5 A
Approved on 31 October 2016
Internal NMI service identifier: JEMIC/7.1.3c
Uncertainty table
 AC power and energy: three phase. Reactive energy meter, 400 var to 27000 var Relative expanded uncertainty (k = 2, level of confidence 95 %) in µvar s (VAs)-1: 32 to 40 Direct comparison Frequency : 45 Hz to 65 Hz Power factor: 0 C to 0.995 C, 0 L to 0.995 L Voltage: 50 V to 120 V Current: 2.5 A to 5 A Approved on 31 October 2016 Internal NMI service identifier: JEMIC/7.1.3d Uncertainty table