Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs General Physics (3)
PHYSICS
Impedance up to the MHz range
Materials
Photometry
AC voltage, current, and power (3)
AC voltage: AC (3)
GEOGRAPHIC LOCATION
EURAMET (3)
United Kingdom (3)
Result of the search
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 voltage: AC/DC transfer difference at lower voltage. AC-DC transfer standard, 0.001 V to 0.5 V
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 6 to 796
Thermal converter "digital" bridge
Frequency range: 10 Hz to 1 MHz
Approved on 06 August 2013
Internal NMI service identifier: 141
Uncertainty table
 
AC voltage: AC/DC transfer difference at higher voltage. AC-DC transfer standard, thermal converter plus range extender, 10 V to 1000 V
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 6 to 62
Thermal converter "digital" bridge
Frequency range: 10 Hz to 1 MHz
Approved on 06 August 2013
Internal NMI service identifier: 159
Uncertainty table
 
AC voltage: AC/DC transfer difference at medium voltage. AC-DC transfer standard, thermal converter, 1 V to 5 V
Relative expanded uncertainty (k = 2, level of confidence 95 %) in µV/V: 6 to 51
Thermal converter "digital" bridge
Frequency: 10 Hz to 1 MHz
Approved on 06 August 2013
Internal NMI service identifier: 132
Uncertainty table