Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs General Physics (2)
PHYSICS
Impedance up to the MHz range
Materials
Photometry
AC voltage, current, and power (2)
AC current up to 100 A: meters (2)
GEOGRAPHIC LOCATION
EURAMET (2)
United Kingdom (2)
Result of the search
Your query 'United Kingdom' produced 2 results New search

 
United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Electricity and Magnetism for United Kingdom (.PDF file)
AC current up to 100 A: meters. Current transducer, 5 A to 100 A
Relative expanded uncertainty (k = 2, level of confidence 95 %) in mA/A: 0.5
Comparison using 2 DVMs
Frequency: 50 Hz
Approved on 06 August 2013
Internal NMI service identifier: 276,1
 
AC current up to 100 A: meters. Mains frequency harmonics analyser, flicker meter, wattmeter, 0.002 A to 130 A
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µA/A: 30
Digital sampling
Frequency: single tone sinewave 50 Hz to 2 kHz
Maximum current limited to 20 A for mains frequency harmonics analysers and flicker meters. Upper frequency limited to 400 Hz for wattmeters.
Approved on 06 August 2013
Internal NMI service identifier: 309,6