Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
METROLOGY AREA
Electricity and Magnetism (47)
Radio frequencies (23)
DC Voltage and Current (8)
Capacitance (6)
Resistance (5)
AC Voltage, Current, Power, and AC (5)
TYPE
Key comparisons (36)
Supplementary comparisons (11)
STATUS
Approved for equivalence (19)
Approved for provisional equivalence (8)
Approved and published (6)
Ongoing, approved for equivalence (3)
Published (3)
In progress (3)
Protocol complete (3)
Report in progress, Draft A (1)
Measurements completed (1)
ORGANISATIONS
APMP (22)
CCEM (20)
BIPM (3)
COOMET (2)
Result of the search
Your query 'Japan' produced 47 results New search
1  2  3

  BIPM.EM- K10.a DC voltage, Josephson standards
1991-
Comparison type, Field   Key comparison in Electricity and Magnetism, DC Voltage and Current
DC voltage: 1.018 V
Status   Ongoing, approved for equivalence, Results available
  BIPM.EM- K10.b DC voltage, Josephson standards
1994 -
Comparison type, Field   Key comparison in Electricity and Magnetism, DC Voltage and Current
DC voltage: 10 V
Status   Ongoing, approved for equivalence, Results available
  APMP.EM- K6.a Comparison of AC/DC voltage transfer standards
2000 - 2003
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Parameter(s)   Voltage: 3 V
Frequency: 1 kHz, 20 kHz, 100 kHz and 1 MHz
Status   Approved for equivalence, Results available
  BIPM.EM- K12 Quantum Hall resistance standards and their scaling to other resistance values
1993 -
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Status   Ongoing, approved for equivalence, Results available
  CCEM- K1 Comparison of resistance standards
1990 - 1991
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Resistance: 1 ohm and 10 kiloohms
Status   Approved for provisional equivalence
  CCEM.RF- K5.b.CL Reflection coefficient / S parameters in type N connectors
2003 - 2006
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 2 GHz to 18 GHz
Status   Approved for equivalence, Results available
  CCEM.RF- K7.a.F.2 Antenna power flux density and electric field strength
1991 - 1999
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 2.45 GHz and 10 GHz
Status   Approved for provisional equivalence
  CCEM.RF- K8.CL Power in 50 ohm coaxial lines
1998 - 2001
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Calibration factor of type-N and type-PC7 thermistor mounts
Parameter(s)   Frequency: 10 MHz, 50 MHz, 1 GHz, 4 GHz, 8 GHz, 12 GHz, 15 GHz, and 18 GHz
Status   Approved for equivalence, Results available
  CCEM.RF- K16.CL Measurement of reflection coefficient
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 500 MHz, 3 GHz and 7 GHz
Status   Approved for provisional equivalence
  CCEM.RF- K21.F Comparison of antenna factors
2002 - 2004
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 300 MHz and 900 MHz
Status   Approved for equivalence, Results available
  CCEM.RF- S1.CL RF power measurements with 2.4 mm connectors
2002 - 2004
Comparison type, Field   Supplementary comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Power: 1 mW
Frequency: 2 GHz to 50 GHz (8 discrete values)
Status   Approved and published
  CCEM.RF- S21.F Comparison of antenna factors
2002 - 2004
Comparison type, Field   Supplementary comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 20 Hz to 2 GHz
Status   Approved and published
  APMP.EM- K4 Comparison of capacitors
1992 - 1994
Comparison type, Field   Key comparison in Electricity and Magnetism, Capacitance
Capacitance: 10 pF
Parameter(s)   Frequency: 1592 Hz, 1 kHz
Status   Approved for provisional equivalence
  CCEM.RF- K5.c.CL Reflection coefficient / S parameters in PC-3.5
2012 - 2015
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 50 MHz to 33 GHz
Status   In progress
  CCEM.RF- K7.a.F.1 Antenna power flux density and electric field strength
1991 - 1999
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 100 MHz, 300 MHz, 500 MHz and 1 GHz
Status   Approved for provisional equivalence
  CCEM.RF- K19.CL Attenuation in a 50 ohm coaxial line
2002 - 2005
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 60 MHz and 5 GHz
Status   Approved for equivalence, Results available
  APMP.EM- S1 Comparison of capacitors
1992 - 1994
Comparison type, Field   Supplementary comparison in Electricity and Magnetism, Capacitance
Capacitance: 100 pF, 1 nF
Parameter(s)   Frequency: 1.592 kHz, 1 kHz
Status   Published
  APMP.EM.BIPM- K11 DC voltage, Zener diode
1996 - 1997
Comparison type, Field   Key comparison in Electricity and Magnetism, DC Voltage and Current
DC voltage: 1.018 V and 10 V
Status   Approved for provisional equivalence
  APMP.EM- S3 Comparison of DC high voltage resistive divider
1999
Comparison type, Field   Supplementary comparison in Electricity and Magnetism, DC Voltage and Current
Parameter(s)   DC high voltage: 5 kV to 100 kV
Status   Published
  CCEM- K7 AC voltage ratio
1999 - 2003
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Parameter(s)   Frequency: 1 kHz and 55 Hz (optional)
Status   Approved for equivalence, Results available