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The BIPM key comparison database
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METROLOGY AREA
Mass (3)
Thermometry (3)
Electricity and Magnetism (1)
Photometry and Radiometry (1)
TYPE
Key comparisons (6)
Supplementary comparisons (2)
STATUS
Measurements completed (8)
ORGANISATIONS
APMP (5)
CCT (3)
Result of the search
Your query 'Japan' produced 8 results New search

  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   Measurements completed
  CCT- K8 Comparison of realizations of local scales of dew-point temperature of humid gas
2016 - 2017
Comparison type, Field   Key comparison in Thermometry, Humidity
Temperature: 30 °C to 95 °C
Status   Measurements completed
  APMP.PR- S5 Laser power responsivity of trap detectors
2008 - 2009
Comparison type, Field   Supplementary comparison in Photometry and Radiometry, Radiometry
Parameter(s)   Wavelengths: 405 nm, 488 nm, 515 nm, and 633 nm
Status   Measurements completed
  APMP.EM.RF- K8.CL Power in 50 ohm coaxial lines
2012 - 2013
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Parameter(s)   Frequency: 10 MHz, 50 MHz, 1 GHz, 4 GHz, 8 GHz, 12 GHz, 15 GHz, and 18 GHz
Status   Measurements completed
  CCT- K6.2 Comparison of frost-point temperature standards
2015
Comparison type, Field   Key comparison in Thermometry, Humidity
Temperature: -70 °C, -50 °C, and -30 °C
Status   Measurements completed
  APMP.M.H- S6 Hardness (Vickers)
2018
Comparison type, Field   Supplementary comparison in Mass, Hardness
Status   Measurements completed
  APMP.M.P- K15 Comparison of absolute pressure in the range 0.1 mPa to 1 Pa
2013 - 2014
Comparison type, Field   Key comparison in Mass, Pressure
Pressure: 0.1 mPa to 1 Pa
Status   Measurements completed
  CCT- K9 Realizations of the ITS-90 from 83.8 K to 692.7 K
2011 - 2012
Comparison type, Field   Key comparison in Thermometry, Standard Platinum Resistance Thermometers
Status   Measurements completed