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Calibration and Measurement Capabilities
Electricity and Magnetism |
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| In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2 |
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| Result of the search |
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Your selection : Electricity and Magnetism
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| | | Chinese TAIPEI, CMS (Center for Measurement Standards) |
| | Complete CMCs in Electricity and Magnetism for Chinese TAIPEI (.PDF file) | | | AC current up to 100 A: meters. AC ammeter, multimeter, 0.001 A to 20 A | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µA/A: 40 to 120 | | AC-DC comparison | | Frequency: 20 Hz to 10 kHz | | Approved on 19 March 2012 | | Internal NMI service identifier: CMS/114 | |
Uncertainty table
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| | | AC current up to 100 A: sources. Multifunction calibrator, transconductance amplifier, 0.001 A to 20 A | | Relative expanded uncertainty (k = 2, level of confidence 95%) in µA/A: 40 to 120 | | AC-DC comparison | | Frequency: 20 Hz to 10 kHz | | Approved on 19 March 2012 | | Internal NMI service identifier: CMS/113 | |
Uncertainty table
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| | | AC high voltage: phase displacement. Potential transformer, 0 mrad to 30 mrad | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in µrad: 60 | | Difference measurement | | Voltage: 1 kV to 100 kV | | Frequency: 60 Hz | | Approved on 22 November 2006 | | Internal NMI service identifier: CMS/123a |
| | | AC high voltage: ratio error. Potential transformer, 0 to 0.02 | | Absolute expanded uncertainty (k = 2, level of confidence 95%): 8E-05 | | Difference measurement | | Voltage: 1 kV to 100 kV | | Frequency: 60 Hz | | Approved on 22 November 2006 | | Internal NMI service identifier: CMS/123 |
| | | AC power and energy: single phase at frequency <= 400 Hz, active energy. Watthour meter, 4.58 Wh to 2400 Wh | | Relative expanded uncertainty (k = 2, level of confidence 95%) in mWh/VAh: 0.1 | | Difference measurement | | Voltage: 110 V, 120 V, 220 V, 240 V | | Current: 1 A, 5 A, 10 A | | Frequency: 60 Hz | | Power factor: 0.5 Lead / Lag, 1.0 | | Measurement time: 300 s to 3600 s | | Approved on 22 November 2006 | | Internal NMI service identifier: CMS/118b |
| | | AC power and energy: single phase power at frequency <= 400 Hz, active power. Power calibrator, wattmeter, watt converter, 55 W to 2400 W | | Relative expanded uncertainty (k = 2, level of confidence 95%) in mW/VA: 0.1 | | Comparison | | Voltage: 110 V, 120 V, 220 V, 240 V | | Current: 1 A, 5 A, 10 A | | Frequency: 60 Hz | | Power factor: 0.5 Lead / Lag, 1.0 | | Approved on 19 March 2012 | | Internal NMI service identifier: CMS/118 |
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