Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
CMC AREA
CMCs Ionizing Radiation
CMCs General Physics (17)
PHYSICS
Electric and magnetic fields (17)
Electromagnetic fields above 50 kHz: electric field strength (3)
Electromagnetic fields above 50 kHz: power flux density (3)
Electromagnetic fields above 50 kHz: magnetic field strength (2)
Magnetic fields: DC magnetic flux density (2)
Magnetic fields: DC magnetic field strength (2)
Electric fields below 50 kHz: electric field strength (1)
Magnetic fields below 50 kHz: AC magnetic field strength (1)
Magnetic fields: AC magnetic flux density (1)
Magnetic fields: turn area (1)
Magnetic fields: AC magnetic field strength (1)
Magnetic fields: magnetic field strength per unit current
CHEMICAL ANALYTE
methane
carbon dioxide
GEOGRAPHIC LOCATION
EURAMET (17)
United Kingdom (17)
Result of the search
Your query 'United Kingdom' produced 17 results New search

 
United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Electricity and Magnetism for United Kingdom (.PDF file)
Magnetic fields: DC magnetic flux density. Field generator, magnetometer: flux density B, 1E-09 T to 2E-05 T
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in T: (5E-10 + 0.0015B), B in T
Fluxgate magnetometer
Approved on 06 August 2013
Internal NMI service identifier: 311
 
Magnetic fields: DC magnetic field strength. Field generator, magnetometer: field strength H, 0.0008 A/m to 16 A/m
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in A/m: (4E-04 + 0.0015H), H in A/m
Fluxgate magnetometer
Approved on 06 August 2013
Internal NMI service identifier: 323
 
Electromagnetic fields above 50 kHz: electric field strength. Field probe, 0.01 V/m to 1600 V/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.35 to 0.65
In anechoic chamber
Frequency range: 0.24 GHz to 40 GHz
Approved on 06 January 2015
Internal NMI service identifier: 336
Uncertainty table
 
Electromagnetic fields above 50 kHz: magnetic field strength. Magnetic field probe, 3.0E-05 A/m to 2.2 A/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.47 to 0.65
In anechoic chamber
Frequency range: 0.24 GHz to 2.6 GHz
Approved on 06 January 2015
Internal NMI service identifier: 336,1
Uncertainty table
 
Electromagnetic fields above 50 kHz: electric field strength. Field probe, 15 V/m to 65 V/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.35
In anechoic chamber
Frequency range: 43.5 GHz to 45.5 GHz
Approved on 07 February 2019
Internal NMI service identifier: 338
 
Electromagnetic fields above 50 kHz: power flux density. Field probe, 1.7E-07 W/m2 to 2650 W/m2
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.68 to 0.80
In TEM cell
Frequency range: 50 kHz to 3 GHz
Approved on 06 January 2015
Internal NMI service identifier: 340
Uncertainty table
 
Electromagnetic fields above 50 kHz: power flux density. Field probe, 3.0E-07 W/m2 to 6800 W/m2
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.35 to 0.65
In anechoic chamber
Frequency range: 0.24 GHz to 40 GHz
Approved on 06 January 2015
Internal NMI service identifier: 341
Uncertainty table
 
Electromagnetic fields above 50 kHz: power flux density. Field probe, 0.6 W/m2 to 11 W/m2
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.35
In anechoic chamber
Frequency range: 43.5 GHz to 45.5 GHz
Approved on 07 February 2019
Internal NMI service identifier: 343
 
Electric fields below 50 kHz: electric field strength. Field strength probe, 0.02 V/m to 1000 V/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.68
In TEM cell
Frequency range: 10 Hz to 50 kHz
Approved on 06 January 2015
Internal NMI service identifier: 310
Uncertainty table
 
Magnetic fields below 50 kHz: AC magnetic field strength. Magnetic field probe, 5.0E-05 A/m to 2.7 A/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.68 to 1.35
In TEM cell
Frequency range: 10 Hz to 50 kHz
Approved on 07 February 2019
Internal NMI service identifier: 310,1
Uncertainty table
 
Magnetic fields: DC magnetic flux density. Field generator, magnetometer, 2E-05 T to 13 T
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.0015 to 0.2
NMR and Hall effect magnetometer
Approved on 06 August 2013
Internal NMI service identifier: 312
Uncertainty table
 
Magnetic fields: AC magnetic flux density. Field generator, magnetometer, 1E-08 T to 2.2E-02 T
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.25 to 0.7
Search coil
Frequency: 10 Hz to 120 kHz
Approved on 06 August 2013
Internal NMI service identifier: 316
Uncertainty table
 
Magnetic fields: turn area. Pick-up coil, 1E-04 m2 to 2E+02 m2
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.09 to 0.7
Inductance bridge and induced voltage
Frequency: 12 Hz to 120 kHz
Approved on 06 August 2013
Internal NMI service identifier: 320
Uncertainty table
 
Magnetic fields: DC magnetic field strength. Field generator, magnetometer, 16 A/m to 1.05E+07 A/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.0015 to 0.2
NMR and Hall effect magnetometer
Approved on 06 August 2013
Internal NMI service identifier: 324
Uncertainty table
 
Magnetic fields: AC magnetic field strength. Field generator, magnetometer, 8E-03 A/m to 1.75E+04 A/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.25 to 0.7
Search coil
Frequency: 10 Hz to 120 kHz
Approved on 06 August 2013
Internal NMI service identifier: 328
Uncertainty table
 
Electromagnetic fields above 50 kHz: electric field strength. Field probe, 0.008 V/m to 1000 V/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.68 to 0.80
In TEM cell
Frequency range: 50 kHz to 3 GHz
Approved on 06 January 2015
Internal NMI service identifier: 335
Uncertainty table
 
Electromagnetic fields above 50 kHz: magnetic field strength. Field probe, 2.1E-05 A/m to 2.7 A/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in dB: 0.68 to 0.8
In TEM cell
Frequency range: 50 kHz to 3 GHz
Approved on 06 January 2015
Internal NMI service identifier: 558
Uncertainty table