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Result of the search
Your query 'United States of America' produced 515 results New search
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  CCPR- K5.2019 Spectral diffuse reflectance
2019 - 2020
Comparison type, Field   Key comparison in Photometry and Radiometry, Properties of materials
Parameter(s)   A parallel beam with a spectral bandwidth of 5 nm centred on the wavelengths of 360 nm, 380 nm, 400 nm, 420 nm, 440 nm, 480 nm, 530 nm, 580 nm, 630 nm, 680 nm, 730 nm, 780 nm, and 830 nm is used.
Status   Protocol complete
  SIM.EM- S15 Resistance: 100 MOhm, 100 GOhm
2018
Comparison type, Field   Supplementary comparison in Electricity and Magnetism, Resistance
Status   In progress
  CCM.FF- K6.2017 Low pressure gas flow
2017 - 2019
Comparison type, Field   Key comparison in Mass, Fluid Flow
Status   In progress
  SIM.M.FF- K6.2017 Low pressure gas flow
2017 - 2018
Comparison type, Field   Key comparison in Mass, Fluid Flow
Calibration of gas flow meters at low flowrates and low pressure, using air
Parameter(s)   Temperature and pressure
Status   Planned
  CCPR- K1.a.2017 Spectral irradiance
2017 - 2018
Comparison type, Field   Key comparison in Photometry and Radiometry, Radiometry
Parameter(s)   Wavelength range: 250 nm to 2500 nm
Status   Protocol complete
  CCPR- K4.2017 Luminous flux
2017 - 2018
Comparison type, Field   Key comparison in Photometry and Radiometry, Photometry
Status   In progress
  CCEM- K5.2017 Active power at 53 Hz
2018 - 2019
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Status   In progress
  CCRI(III)- K9.Cf- 252.2016 Emmission rate
2016 - 2019
Comparison type, Field   Key comparison in Ionizing Radiation, Section III (Neutron Measurements)
Status   In progress
  CCM.F- K23 Force mesaurements
2019 - 2020
Comparison type, Field   Key comparison in Mass, Force
Parameter(s)   Force in compression
Status   Planned
  BIPM.EM- K13.a Comparison of resistance standards
1993 -
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Resistance: 1 ohm
Status   Ongoing, approved for equivalence, Results available
  CCQM- K1.b Carbon dioxide (CO2) in Nitrogen (N2)
1993 - 1994
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available
  CCEM- K4 Comparison of capacitors
1996 - 1998
Comparison type, Field   Key comparison in Electricity and Magnetism, Capacitance
Capacitance, 10 pF
Parameter(s)   Frequency: 1592 Hz
Status   Approved for equivalence, Results available
  CCQM- K3 Automotive emission gases
1998 - 1999
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available
  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
  CCEM- K6.a Comparison of AC/DC voltage transfer standards
1993 - 1999
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
  CCEM- K2 Comparison of resistance standards
1996 - 2000
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Resistance: 10 megaohms and 1 gigaohm
Parameter(s)   Voltage: 10 V, 50 V, 91 V or 100 V
Status   Approved for equivalence, Results available
  CCEM- K5 AC power at 50/60 Hz
1996 - 2000
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Parameter(s)   Power factor: 1.0, 0.5 Lead, 0.5 Lag, 0.0 Lead, 0.0 Lag
Status   Approved for equivalence, Results available
  BIPM.L- K10 Comparison of the frequencies of Helium-Neon lasers at wavelength 633 nm
1988 - 2000
Comparison type, Field   Key comparison in Length, Laser Frequencies
Status   Approved for equivalence, Results available
  CCQM- K1.c Nitrogen monoxide (NO) in Nitrogen (N2)
1995 - 1996
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available