Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
METROLOGY AREA
Mass (39)
Ionizing Radiation (24)
Electricity and Magnetism (22)
Thermometry (19)
Length (18)
Amount of Substance (15)
Photometry and Radiometry (11)
Acoustics, Ultrasound, and Vibration (7)
TYPE
Key comparisons (96)
Supplementary comparisons (59)
STATUS
Approved for equivalence (64)
Approved and published (37)
In progress (15)
Planned (11)
Report in progress, Draft A (9)
Protocol complete (6)
Approved for provisional equivalence (3)
Published (3)
Report in progress, Draft B (3)
Measurements completed (2)
Abandoned (2)
ORGANISATIONS
APMP (155)
Result of the search
Your query 'Japan' produced 155 results New search
1  2  3 [Next >>]

  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
  APMP.M.P- K6 Pressure measurements in gas (gauge mode)
1998 - 2001
Comparison type, Field   Key comparison in Mass, Pressure
Effective area of a piston-cylinder unit
Parameter(s)   Pressure: 20 kPa to 105 kPa
Status   Approved for equivalence, Results available
  APMP.M.P- K7 Pressure measurements in oil (gauge mode)
2002 - 2004
Comparison type, Field   Key comparison in Mass, Pressure
Pressure: 10 MPa to 100 MPa
Status   Approved for equivalence, Results available
  APMP.QM- K3 Automotive emission gases: CO, CO2 and C3H8 in N2
2000
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available
  APMP.QM- K4 Ethanol in air
2000
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available
  APMP.RI(II)- K2.Y- 88 Activity of radionuclide Y-88
2000
Comparison type, Field   Key comparison in Ionizing Radiation, Section II (Measurement of Radionuclides)
Status   Approved for equivalence, Results available
  APMP.M.FF- K3 Air speed
2009
Comparison type, Field   Key comparison in Mass, Fluid Flow
Status   Approved for equivalence, Results available
  APMP.M.FF- K6 Low pressure gas flow
2007 - 2008
Comparison type, Field   Key comparison in Mass, Fluid Flow
Parameter(s)   Pressure < 4 105 Pa
Status   Approved for equivalence, Results available
  APMP.AUV.A- K1 Comparison of laboratory standard microphone calibrations
2004 - 2005
Comparison type, Field   Key comparison in Acoustics, Ultrasound, and Vibration, Acoustics
Parameter(s)   Frequency: 63 Hz to 8 kHz
Status   Approved for equivalence, Results available
  APMP.M.M- K1 Comparison of mass standards
1999 - 2001
Comparison type, Field   Key comparison in Mass, Mass Standards
Mass: 1 kg
Status   Approved for equivalence, Results available
  APMP.AUV.V- K1 Vibration acceleration
1996 - 1997
Comparison type, Field   Key comparison in Acoustics, Ultrasound, and Vibration, Vibration
Parameter(s)   Frequency: 10 Hz to 10 kHz
Status   Approved for equivalence, Results available
  APMP.M.P- K1.c Pressure measurements in gas (gauge mode)
1998 - 2001
Comparison type, Field   Key comparison in Mass, Pressure
Effective area of a piston-cylinder unit
Parameter(s)   Pressure: 0.4 MPa to 4.0 MPa
Status   Approved for equivalence, Results available
  APMP.M.P- S7.TRI Pressure measurements in oil (gauge mode)
2001
Comparison type, Field   Supplementary comparison in Mass, Pressure
Pressure : 40 MPa to 200 MPa
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
  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
  APMP.M.P- K4 Pressure measurements in gas (absolute mode)
2015 - 2016
Comparison type, Field   Key comparison in Mass, Pressure
Pressure: 1 Pa to 10 kPa
Status   Protocol complete
  APMP.L- K1 Gauge blocks by interferometry
2001 - 2002
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  APMP.RI(II)- K2.Co- 58 Activity of radionuclide Co-58
2000
Comparison type, Field   Key comparison in Ionizing Radiation, Section II (Measurement of Radionuclides)
Status   Approved for equivalence, Results available