Comparison
Comparison close

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      500 mg

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

500 mg
Di  (mg)
Participating institutes

For a smaller scale graph, please click here.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

5 g
Di  (mg)
Participating institutes

For a smaller scale graph, please click here.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      10 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

10 g
Di  (mg)
Participating institutes

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      100 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

100 g
Di  (mg)
Participating institutes

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 kg

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

5 kg
Di  (mg)
Participating institutes

For a smaller scale graph, please click here.

Comparison
Comparison close

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      500 mg

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

LABi Di Uneg,i Upos,i
mg
mg
mg
KRISS 0.0006 0.0008
NIS 0.0010 0.0014
VNIIM -0.0009 0.0016
CENAM -0.0006 0.0014
NIST -0.0008 0.0008
PTB 0.0001 0.0006
METAS 0.0007 0.0016
CEM 0.0004 0.0010
INRiM 0.0000 0.0012
NIM -0.0011 0.0016
UME -0.0007 0.0048
METAS -0.0007 0.0016
INRIM 0.0000 0.0012
EMI 0.0001 0.0066
SASO -0.0003 0.0065
PAI 0.0236 0.0074
QGOSM 0.0040 0.0803
NIS -0.0003 0.0012
METAS -0.0004 0.0007
LPEE 0.0004 0.0080
ZMA -0.0030 0.0150
NMISA 0.0020 0.0025
KEBS -0.0002 0.0019
Participating institutes
CCM.M-K7
GULFMET.M.M-K7
AFRIMETS.M.M-K7

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

LABi Di Uneg,i Upos,i
mg
mg
mg
KRISS -0.0001 0.0018
NIS 0.0030 0.0042
VNIIM 0.0027 0.0024
CENAM 0.0006 0.0026
NIST -0.0011 0.0028
PTB -0.0014 0.0016
METAS -0.0002 0.0030
CEM -0.0001 0.0020
INRiM -0.0004 0.0024
NIM -0.0004 0.0022
UME 0.0006 0.0021
METAS 0.0008 0.0021
INRIM 0.0003 0.0024
EMI -0.0009 0.0026
SASO -0.0025 0.004
PAI 0.0034 0.0063
QGOSM -0.0066 0.0600
NIS 0.0005 0.0018
METAS 0.0002 0.0010
LPEE -0.0027 0.0150
ZMA -0.0011 0.0240
NMISA -0.0017 0.0051
KEBS -0.0031 0.0059
Participating institutes
CCM.M-K7
GULFMET.M.M-K7
AFRIMETS.M.M-K7

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      10 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

LABi Di Uneg,i Upos,i
mg
mg
mg
KRISS 0.0034 0.0040
NIS 0.0016 0.0054
VNIIM 0.0020 0.0040
CENAM 0.0011 0.0038
NIST -0.0016 0.0050
PTB -0.0021 0.0024
METAS -0.0026 0.0044
CEM 0.0004 0.0028
INRiM 0.0005 0.0038
NIM -0.0021 0.0040
UME 0.0012 0.003
METAS -0.0002 0.0031
INRIM 0.0001 0.0037
EMI -0.0031 0.0049
SASO -0.0010 0.0053
PAI 0.0085 0.0086
QGOSM 0.0381 0.0100
NIS -0.0002 0.0038
METAS -0.0002 0.0006
LPEE 0.0018 0.0200
ZMA -0.0022 0.0320
NMISA -0.0057 0.0063
KEBS 0.0098 0.0060
Participating institutes
CCM.M-K7
GULFMET.M.M-K7
AFRIMETS.M.M-K7

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      100 g

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

LABi Di Uneg,i Upos,i
mg
mg
mg
KRISS 0.002 0.007
NIS -0.011 0.012
VNIIM -0.010 0.009
CENAM 0.009 0.013
NIST -0.007 0.010
PTB -0.003 0.005
METAS 0.003 0.008
CEM 0.001 0.005
INRiM 0.004 0.008
NIM 0.004 0.006
UME -0.004 0.013
METAS -0.003 0.008
INRIM -0.004 0.008
EMI -0.020 0.019
SASO 0.006 0.016
PAI 0.012 0.021
QGOSM -0.009 0.010
NIS -0.001 0.006
METAS 0.000 0.001
LPEE 0.001 0.050
ZMA 0.042 0.084
NMISA -0.011 0.016
KEBS 0.011 0.020
Participating institutes
CCM.M-K7
GULFMET.M.M-K7
AFRIMETS.M.M-K7

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 kg

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.

LABi Di Uneg,i Upos,i
mg
mg
mg
KRISS 0.04 0.21
NIS 0.05 0.59
VNIIM 0.36 0.43
CENAM 0.07 0.41
NIST -0.19 0.24
PTB -0.03 0.15
METAS 0.16 0.30
CEM -0.11 0.39
INRiM -0.01 0.18
NIM -0.07 0.17
UME -0.12 0.34
METAS -0.16 0.30
INRIM 0.01 0.20
EMI 0.10 0.51
SASO -0.02 0.58
PAI -13.58 0.85
QGOSM -12.74 2.03
NIS 0.09 0.18
METAS -0.10 0.16
LPEE 0.51 2.50
ZMA 0.41 11.99
NMISA 0.20 0.81
KEBS 0.11 0.79
Participating institutes
CCM.M-K7
GULFMET.M.M-K7
AFRIMETS.M.M-K7
Comparison
Comparison close
CC comparison
Linked comparison
EURAMET.M.M-K7
Metrology area, Sub-field Mass and related quantities, Mass Standards
Description Comparison on mass standards
Time of measurements 2020 -
Status Measurements in progress
References

Technical Protocol

Measurand Mass
5 kg, 100 g, 10 g, 5 g, 500 mg
Parameters Weighing in air
Transfer device Nominal value of transfer standards: 5 kg, 100 g, 10 g, 5 g, 500 mg, accuracy class of E1
Comparison type Key Comparison
Consultative Committee CCM (Consultative Committee for Mass and Related Quantities)
Conducted by EURAMET (European Association of National Metrology Institutes)
RMO Internal Identifier EURAMET 1532
Pilot institute UME
TÜBITAK Ulusal Metroloji Enstitüsü
Türkiye
Contact person B. Korutlu

+90 262 679 50 00
Additional
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
UME

TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET

AS METROSERT

Central Office of Metrology, Estonia, EURAMET

BEV

Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET

BIM

Bulgarian Institute of Metrology, Bulgaria, EURAMET

BMM

Bureau of Metrology (Montenegro), Montenegro, EURAMET

BOM

Bureau of Metrology, Ministry of Economy (North Macedonia), North Macedonia, EURAMET

CEM

Centro Español de Metrologia, Spain, EURAMET

DFM

Danish Fundamental Metrology A/S, Denmark, EURAMET

DMDM

Directorate of Measures and Precious Metals, Serbia, EURAMET

DZM

State Office for Metrology; now: Croatian Metrology Institute, HMI, Croatia, EURAMET

ILNAS

Bureau Luxembourgeois de Métrologie, Luxembourg, EURAMET

IMBIH

Institute of Metrology of Bosnia and Herzegovina, Bosnia and Herzegovina, EURAMET

INPL

National Physical Laboratory of Israel, Israel, N/A

INRIM

Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET

IPQ

Instituto Portugues da Qualidade, Portugal, EURAMET

LATMB

LNMC Metrology Bureau (LATMB), Latvia, EURAMET

METAS

Federal Institute of Metrology, Switzerland, EURAMET

MIKES

VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET

MIRS

Metrology Institute of the Republic of Slovenia, Slovenia, EURAMET

NPL

National Physical Laboratory, United Kingdom, EURAMET

PTB

Physikalisch-Technische Bundesanstalt, Germany, EURAMET

SASO-NMCC

National Measurement and Calibration Center - Saudi Standards, Metrology and Quality Organization, Saudi Arabia, GULFMET

Comparison
Comparison close

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      500 mg

 

The key comparison reference value xR = (m + ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR

 

     m = 500 mg   d = - 0.00057 mg     uR = 0.00033 mg

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:

D and its expanded uncertainty Ui (k = 2), both expressed in mg.

 

Linking GULFMET.M.M-K7 to CCM.M-K7

The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.

 

Linking AFRIMETS.M.M-K7 to CCM.M-K7

The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 g

 

The key comparison reference value xR = (m + ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR

 

     m = 5 g   d = 0.00008 mg     uR = 0.00077 mg

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:

D and its expanded uncertainty Ui (k = 2), both expressed in mg.

 

Linking GULFMET.M.M-K7 to CCM.M-K7

The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.

 

Linking AFRIMETS.M.M-K7 to CCM.M-K7

The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      10 g

 

The key comparison reference value xR = (m + ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR

 

     m = 10 g   d = - 0.0034 mg     uR = 0.0014 mg

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:

D and its expanded uncertainty Ui (k = 2), both expressed in mg.

 

Linking GULFMET.M.M-K7 to CCM.M-K7

The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.

 

Linking AFRIMETS.M.M-K7 to CCM.M-K7

The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      100 g

 

The key comparison reference value xR = (m + ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR

 

     m = 100 mg   d = - 0.0021 mg     uR = 0.0028 mg

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:

D and its expanded uncertainty Ui (k = 2), both expressed in mg.

 

Linking GULFMET.M.M-K7 to CCM.M-K7

The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.

 

Linking AFRIMETS.M.M-K7 to CCM.M-K7

The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 kg

 

The key comparison reference value xR = (m + ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR

 

     m = 5 kg   d = - 0.0361 mg     uR = 0.081 mg

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:

D and its expanded uncertainty Ui (k = 2), both expressed in mg.

 

Linking GULFMET.M.M-K7 to CCM.M-K7

The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.

 

Linking AFRIMETS.M.M-K7 to CCM.M-K7

The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.

 

Comparison
Comparison close

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      500 mg

 

CCM.M-K7

The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.

xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi

 

PETAL A

       
  Labi xi ui
    mg mg
  KRISS - 1 0.0019 0.0003
  NIS 0.0024 0.0007
  VNIIM 0.0005 0.0008
  CENAM 0.0009 0.0007
  NIST 0.0006 0.0003
  KRISS - 2 0.0021 0.0003
       

 

PETAL B

       
  Labi xi ui
    mg mg
  KRISS - 3 0.0023 0.0003
  PTB 0.0022 0.0002
  METAS 0.0027 0.0008
  CEM 0.0024 0.0005
  INRIM 0.0020 0.0006
  NIM 0.0090 0.0008
  KRISS - 4 0.0029 0.0003
     

 

GULFMET.M.M-K7

The measurement results  of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.

 

AFRIMETS.M.M-K7

The measurement results  of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 g

 

CCM.M-K7

The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.

xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi

 

PETAL A

       
  Labi xi ui
    mg mg
  KRISS - 1 0.0077 0.0004
  NIS 0.0112 0.0020
  VNIIM 0.0109 0.0009
  CENAM 0.0088 0.0011
  NIST 0.0071 0.0012
  KRISS - 2 0.0085 0.0004
       

 

PETAL B

       
  Labi xi ui
    mg mg
  KRISS - 3 0.0079 0.0004
  PTB 0.0770 0.0004
  METAS 0.0089 0.0015
  CEM 0.0090 0.0009
  INRIM 0.0087 0.0012
  NIM 0.0087 0.0010
  KRISS - 4 0.0101 0.0004
       

 

GULFMET.M.M-K7

The measurement results  of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.

 

AFRIMETS.M.M-K7

The measurement results  of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      10 g

 

CCM.M-K7

The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.

xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi

 

PETAL A

       
  Labi xi ui
    mg mg
  KRISS - 1 0.0116 0.0015
  NIS 0.0090 0.0026
  VNIIM 0.0094 0.0017
  CENAM 0.0085 0.0017
  NIST 0.0058 0.0024
  KRISS - 2 0.0100 0.0015
 

 

   

 

PETAL B

       
  Labi xi ui
    mg mg
  KRISS - 3 0.0120 0.0015
  PTB 0.0068 0.0005
  METAS 0.0063 0.0020
  CEM 0.0093 0.0011
  INRIM 0.0094 0.0019
  NIM 0.0068 0.0018
  KRISS - 4 0.0125 0.0015
       

 

GULFMET.M.M-K7

The measurement results  of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.

 

AFRIMETS.M.M-K7

The measurement results  of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      100 g

 

CCM.M-K7

The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.

xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi

 

PETAL A

       
  Labi xi ui
    mg mg
  KRISS - 1 0.0179 0.0025
  NIS 0.0026 0.0050
  VNIIM 0.0029 0.0030
  CENAM 0.0225 0.0057
  NIST 0.0059 0.0042
  KRISS - 2 0.0126 0.0025
       

 

PETAL B

       
  Labi xi ui
    mg mg
  KRISS - 3 0.0109 0.0025
  PTB 0.0031 0.0015
  METAS 0.0057 0.0045
  CEM 0.0076 0.0026
  INRIM 0.0099 0.0042
  NIM 0.0102 0.0024
  KRISS - 4 0.0056 0.0025
       

 

GULFMET.M.M-K7

The measurement results  of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.

 

AFRIMETS.M.M-K7

The measurement results  of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.

CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7

 

MEASURAND        Mass standard

NOMINAL VALUE      5 kg

 

CCM.M-K7

The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.

xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi

 

PETAL A

       
  Labi xi ui
    mg mg
  KRISS - 1 0.135 0.073
  NIS 0.10 0.30
  VNIIM 0.41 0.20
  CENAM 0.12 0.20
  NIST -0.14 0.09
  KRISS - 2 0.040 0.073
       

 

PETAL B

       
  Labi xi ui
    mg mg
  KRISS - 3 -0.271 0.073
  PTB -3.550 0.056
  METAS -0.170 0.146
  CEM -0.440 0.200
  INRIM -0.355 0.085
  NIM -0.40 0.07
  KRISS - 4 -0.310 0.073
       

 

GULFMET.M.M-K7

The measurement results  of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.

 

AFRIMETS.M.M-K7

The measurement results  of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.