Home    Key and supplementary comparisons    Calibration and Measurement Capabilities - CMCs
The BIPM key comparison database
Refine your search
METROLOGY AREA
Amount of Substance (42)
Electricity and Magnetism (38)
Mass (30)
Photometry and Radiometry (27)
Thermometry (26)
Length (18)
Acoustics, Ultrasound, and Vibration (5)
TYPE
Key comparisons (139)
Supplementary comparisons (47)
STATUS
Approved for equivalence (89)
Approved (33)
Measurements in progress (21)
Protocol complete (9)
Continuous, approved for equivalence (8)
Measurements completed (7)
Approved for provisional equivalence (6)
Planned (6)
Report in progress, draft A (4)
Report in progress, draft B (2)
Abandoned (1)
ORGANISATIONS
APMP (102)
CCQM (29)
CCPR (13)
CCEM (10)
BIPM (8)
EURAMET (formerly EUROMET) (8)
CCM (5)
CCT (5)
SIM (2)
CCL (2)
CCAUV (2)
Result of the search
Your query 'Singapore' produced 186 results New search
1  2  3 [Next >>]

  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
  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   Continuous, 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
  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
  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.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.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.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
  CCT- K6 Comparison of humidity standards: dew and frost point temperatures
2003 - 2010
Comparison type, Field   Key comparison in Thermometry, Humidity
Temperature: -50 °C to 20 °C
Status   Approved for equivalence, Results available
  CCPR- K2.c Spectral responsivity
2004 - 2007
Comparison type, Field   Key comparison in Photometry and Radiometry, Radiometry
Parameter(s)   Wavelength from 200 nm to 400 nm
Status   Approved for equivalence, Results available
  CCPR- S3 Comparison of cryogenic radiometers
1996 - 1999
Comparison type, Field   Supplementary comparison in Photometry and Radiometry, Radiometry
Status   Approved, 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   Continuous, approved for equivalence, Results available
  BIPM.EM- K13.b Comparison of resistance standards
1993 -
Comparison type, Field   Key comparison in Electricity and Magnetism, Resistance
Resistance: 10 kiloohms
Status   Continuous, approved for equivalence, Results available
  CCEM- K12 Comparison of AC-DC current transfer standards
2005 - 2007
Comparison type, Field   Key comparison in Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer
Parameter(s)   Current: 10 mA and 5 A
Frequency: 10 Hz, 55 Hz, 1 kHz, 10 kHz, 20 kHz, 50 kHz and 100 kHz
Status   Approved for equivalence, Results available
  CCEM.RF- K4.CL Voltage measurements
1997 - 2002
Comparison type, Field   Key comparison in Electricity and Magnetism, Radio frequencies
Voltage: 1 V
Parameter(s)   Frequency: 1 MHz to 300 MHz, 1 GHz (option)
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