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
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