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METROLOGY AREA
Mass (36)
Electricity and Magnetism (17)
Amount of Substance (17)
Length (15)
Ionizing Radiation (10)
Thermometry (8)
Photometry and Radiometry (3)
Acoustics, Ultrasound, and Vibration (2)
TYPE
Key comparisons (81)
Supplementary comparisons (27)
STATUS
Approved for equivalence (61)
Approved (20)
Continuous, approved for equivalence (7)
Protocol complete (4)
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Approved for provisional equivalence (3)
Planned (2)
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Report in progress, draft B (2)
Report in progress, draft A (2)
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ORGANISATIONS
EURAMET (formerly EUROMET) (73)
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CCM (9)
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AFRIMETS (SADCMET expansion) (1)
Result of the search
Your query 'Portugal' produced 108 results New search
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  BIPM.EM- K13.a Comparison of resistance standards
1993 -
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Resistance: 1 ohm
Status   Continuous, approved for equivalence, Results available
  EUROMET.QM- K3 Automotive emission gases
2000
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   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   Continuous, approved for equivalence, Results available
  BIPM.EM- K11.a DC voltage, Zener diode
1992 -
Comparison type, Field   Key comparison in Electricity and Magnetism, DC Voltage and Current
DC voltage: 1.018 V
Status   Continuous, 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
  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
  EUROMET.EM.BIPM- K11 DC voltage, Zener diode
1998 - 2000
Comparison type, Field   Key comparison in Electricity and Magnetism, DC Voltage and Current
DC voltage: 10 V
Status   Approved for equivalence, Results available
  EUROMET.M.P- K3.a Pressure measurements in gas (gauge mode)
2000 - 2001
Comparison type, Field   Key comparison in Mass, Pressure
Pressure: 0.05 MPa to 1 MPa
Status   Approved for equivalence, Results available
  EUROMET.M.P- K4 Pressure measurements in oil (gauge mode)
1996 -1999
Comparison type, Field   Key comparison in Mass, Pressure
Effective area of a piston-cylinder unit
Parameter(s)   Pressure: 10 MPa to 100 MPa
Status   Approved for equivalence, Results available
  EUROMET.M.P- K6 Pressure measurements in oil (gauge mode)
1992 - 1994
Comparison type, Field   Key comparison in Mass, Pressure
Pressure: 100 MPa to 700 MPa (1000 MPa)
Status   Approved for provisional equivalence
  CCQM- K23.a Natural gas type I
2004 - 2005
Comparison type, Field   Key comparison in Amount of Substance, Gases
Status   Approved for equivalence, Results available
  EUROMET.EM- K11 AC/DC voltage transfer difference at low voltages
2005 - 2008
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Parameter(s)   Voltage: 10 mV and 100 mV
Frequency: 1 kHz, 20 kHz, 100 kHz, and 1 MHz
Status   Approved for equivalence, Results available
  EUROMET.L- K1 Gauge blocks by interferometry
1999 - 2000
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Steel and tungsten carbide materials
Status   Approved for equivalence, Results available
  EUROMET.L- K1.1 Gauge blocks by interferometry
2002 - 2003
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  EUROMET.L- K2 Long gauge blocks from 150 mm to 900 mm
2002 - 2005
Comparison type, Field   Key comparison in Length, Dimensional Metrology
Status   Approved for equivalence, Results available
  BIPM.RI(I)- K1 Measurement of air kerma for Cobalt 60
1975 -
Comparison type, Field   Key comparison in Ionizing Radiation, Section I (x and gamma rays, electrons)
Parameter(s)   Radiation type: Co-60 gamma rays
Status   Continuous, approved for equivalence, Results available
  CCM.V- K1.B2 Viscosity measurements of standard liquids
2002
Comparison type, Field   Key comparison in Mass, Viscosity
Standard liquid B2, kinematic viscosity: 400 mm2/s
Parameter(s)   Temperature: 40 °C
Status   Approved for equivalence, Results available
  EUROMET.M.M- K2 Comparison of mass standards
2002 - 2003
Comparison type, Field   Key comparison in Mass, Mass Standards
Mass: 100 mg, 2 g, 20 g, 500 g and 10 kg
Status   Approved for equivalence, Results available
  EUROMET.M.M- K4 Comparison of mass standards
2001 - 2003
Comparison type, Field   Key comparison in Mass, Mass Standards
Mass: 1 kg
Status   Approved for equivalence, Results available
  EUROMET.AUV.V- K1 Vibration acceleration
2003 - 2004
Comparison type, Field   Key comparison in Acoustics, Ultrasound, and Vibration, Vibration
Parameter(s)   Frequency: 40 Hz to 5 kHz
Status   Approved for equivalence, Results available