CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Water at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
Enlarged graph
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 5 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
Enlarged graph
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
Enlarged graph
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.1
MEASURAND: Density of liquids
LIQUID: Viscosity oil at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
Enlarged graph
MEASURAND : Density of liquids
LIQUID : Pentadecane at 15 °C
Graph of equivalence
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
MEASURAND : Density of liquids
LIQUID :Pentadecane at 20 °C
Graph of equivalence
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
MEASURAND : Density of liquids
LIQUID : Pentadecane at 40 °C
Graph of equivalence
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
MEASURAND : Density of liquids
LIQUID :Pentadecane at 60 °C
Graph of equivalence
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Water at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
kg m-3 |
kg m-3 |
kg m-3 |
||
| NRC | -0.0105 | 0.0149 | 0.0126 | |
| PTB | 0.0045 | 0.0045 | 0.0040 | |
| MKEH | -0.0012 | 0.0058 | 0.0045 | |
| NMIJ | 0.0020 | 0.0137 | 0.0140 | |
| KRISS | -0.0050 | 0.0050 | 0.0050 | |
| CENAM | 0.000 | 0.0051 | 0.0050 | |
| VNIIM | 0.0125 | 0.0069 | 0.0072 | |
| BEV | 0.0025 | 0.0053 | 0.0053 | |
| CEM | -0.1040 | 0.0540 | 0.0540 | |
| GUM | 0.0016 | 0.0046 | 0.0046 | |
| INM | 0.0349 | 0.0119 | 0.0119 | |
| INRiM | 0.0132 | 0.0058 | 0.0058 | |
| IPQ 1 | -0.8770 | 0.0690 | 0.0690 | |
| IPQ 2 | -0.0298 | 0.0345 | 0.0345 | |
| LNE | -0.0096 | 0.0093 | 0.0093 | |
| MIKES | 0.0030 | 0.0076 | 0.0076 | |
| NPL | 0.0034 | 0.0069 | 0.0069 | |
| SMU | 0.0110 | 0.0127 | 0.0127 | |
| UME | 0.0168 | 0.0111 | 0.0111 | |
| INM | 0.0131 | 0.0096 | 0.0096 | |
| CMI | 0.008 | 0.023 | 0.023 | |
| DMDM | -0.002 | 0.011 | 0.011 | |
| GUM | -0.011 | 0.016 | 0.016 | |
| IMBIH | 0.009 | 0.013 | 0.013 | |
| IPQ | 0.0104 | 0.0087 | 0.0087 | |
| JV | -0.029 | 0.081 | 0.081 | |
| UME | 0.007 | 0.011 | 0.011 | |
| INM | -0.009 | 0.032 | 0.032 | |
| CMI | -0.001 | 0.027 | 0.027 | |
| DMDM | -0.015 | 0.050 | 0.05 | |
| GUM | -0.004 | 0.012 | 0.012 | |
| IMBIH | 0.021 | 0.019 | 0.019 | |
| IPQ | -0.007 | 0.025 | 0.025 | |
| NMI (MD) | 0.008 | 0.037 | 0.037 | |
| UME | -0.015 | 0.023 | 0.023 |
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 5 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
kg m-3 |
kg m-3 |
kg m-3 |
||
| NRC | 0.0249 | 0.1200 | ||
| PTB | 0.0052 | 0.0197 | ||
| MKEH | -0.0068 | 0.0195 | ||
| NMIJ | -0.0143 | 0.0279 | ||
| KRISS | 0.0070 | 0.0205 | ||
| CENAM | 0.0149 | 0.0543 | ||
| BEV | -0.0005 | 0.0200 | ||
| GUM | -0.0151 | 0.0287 | ||
| LNE | -0.0107 | 0.0391 | ||
| SMU | 0.0113 | 0.0276 | ||
| UME | 0.0410 | 0.0353 | ||
| INM | -0.350 | 0.054 | ||
| CMI | 0.299 | 0.096 | ||
| DMDM | -0.135 | 0.060 | ||
| GUM | 0.003 | 0.054 | ||
| IPQ | -0.047 | 0.055 | ||
| UME | 0.020 | 0.057 | ||
| INM | 0.07 | 0.11 | ||
| CMI | 0.058 | 0.098 | ||
| DMDM | -0.091 | 0.097 | ||
| GUM | -0.001 | 0.085 | ||
| IPQ | 0.002 | 0.085 | ||
| NMI (MD) | -0.352 | 0.089 | ||
| JV | -0.085 | 0.096 | ||
| UME | -0.055 | 0.096 |
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
kg m-3 |
kg m-3 |
kg m-3 |
||
| NRC | 0.0258 | 0.0935 | ||
| PTB | -0.0054 | 0.0204 | ||
| MKEH | 0.0008 | 0.0197 | ||
| NMIJ | -0.0211 | 0.0269 | ||
| KRISS | 0.0091 | 0.0212 | ||
| CENAM | 0.0162 | 0.0371 | ||
| VNIIM | 0.0028 | 0.0255 | ||
| BEV | -0.0021 | 0.0151 | ||
| GUM | -0.0185 | 0.0175 | ||
| INM | 0.0278 | 0.0236 | ||
| INRiM | -0.0038 | 0.0240 | ||
| IPQ 1 | -2.3137 | 0.1314 | ||
| IPQ 2 | 0.0472 | 0.0664 | ||
| LNE | -0.0482 | 0.0302 | ||
| NPL | -0.1660 | 0.0285 | ||
| SMU | -0.0042 | 0.0245 | ||
| UME | 0.0077 | 0.0301 | ||
| INM | -0.334 | 0.053 | ||
| CMI | 0.056 | 0.096 | ||
| DMDM | -0.077 | 0.060 | ||
| GUM | -0.011 | 0.054 | ||
| IPQ 2 | -0.109 | 0.054 | ||
| JV | -0.404 | 0.078 | ||
| UME | 0.011 | 0.056 | ||
| INM | 0.049 | 0.091 | ||
| CMI | 0.060 | 0.098 | ||
| DMDM | 0.009 | 0.098 | ||
| GUM | 0.003 | 0.084 | ||
| IMBIH | 0.065 | 0.090 | ||
| IPQ | -0.009 | 0.085 | ||
| NMI (MD) | 0.058 | 0.091 | ||
| JV | -0.087 | 0.085 | ||
| UME | -0.061 | 0.096 |
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.1
MEASURAND: Density of liquids
LIQUID: Viscosity oil at 20 °C
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in kg m-3.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
kg m-3 |
kg m-3 |
kg m-3 |
||
| NRC | -0.0187 | 0.0585 | ||
| PTB | 0.0079 | 0.0087 | ||
| MKEH | -0.0030 | -0.0106 | ||
| KRISS | -0.0078 | -0.0089 | ||
| CENAM | 0.0085 | 0.0143 | ||
| VNIIM | -0.0025 | -0.0119 | ||
| BEV | 0.0049 | 0.0079 | ||
| CEM | -0.2047 | 0.0401 | ||
| GUM | 0.0091 | 0.0083 | ||
| INM | 0.0163 | 0.0126 | ||
| INRiM | 0.0099 | 0.0116 | ||
| IPQ 1 | -1.0698 | 0.0741 | ||
| IPQ 2 | -0.2159 | 0.0376 | ||
| LNE | 0.0206 | 0.0136 | ||
| NPL | 0.0034 | 0.0095 | ||
| SMU | 0.0383 | 0.0157 | ||
| UME | 0.0243 | 0.0137 | ||
| INM | 0.055 | 0.046 | ||
| CMI | 0.011 | 0.054 | ||
| DMDM | 0.197 | 0.046 | ||
| GUM | -0.009 | 0.046 | ||
| IMBIH | -0.059 | 0.060 | ||
| IPQ | 0.021 | 0.046 | ||
| JV | 0.010 | 0.055 | ||
| UME | 0.001 | 0.046 | ||
| INM | 0.035 | 0.086 | ||
| CMI | -0.016 | 0.085 | ||
| DMDM | -0.002 | 0.096 | ||
| GUM | -0.001 | 0.083 | ||
| IMBIH | -0.007 | 0.082 | ||
| IPQ | -0.001 | 0.087 | ||
| NMI (MD) | 0.080 | 0.086 | ||
| JV | 0.028 | 0.083 | ||
| UME | -0.005 | 0.085 |
MEASURAND : Density of liquids
LIQUID : Pentadecane at 15 °C
Degrees of equivalence relative to the CCM.D-K2 key comparison reference value:
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
Results are presented under A4 printable format in Summary Results (PDF file).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 20 °C
Degrees of equivalence relative to the CCM.D-K2 key comparison reference value:
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
Results are presented under A4 printable format in Summary Results (PDF file).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 40 °C
Degrees of equivalence relative to the CCM.D-K2 key comparison reference value:
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
Results are presented under A4 printable format in Summary Results (PDF file).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 60 °C
Degrees of equivalence relative to the CCM.D-K2 key comparison reference value:
Red diamonds CCM.D-K2 participants
Blue diamonds EURAMET.M.D-K2 participants only
Results are presented under A4 printable format in Summary Results (PDF file).
| Metrology area, Sub-field | Mass and related quantities, Density |
| Description | Density of liquids |
| Time of measurements | 2021 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| References | |
| Measurand | Density 800 kg/m3 to 1600 kg/m3 |
| Parameters | Temperature |
| Transfer device | Deuterated ultra-pure water, tetrachloetylene, oil with a high viscosity |
| 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 Projet No 1523 |
| Comments | Within the framework of EMPIR 17RPT02 rhoLiq, using oscillation type density meters. |
| Pilot institute |
BEV
Bundesamt für Eich- und Vermessungswesen Austria |
| Contact person | Lukas Prochaska |
| Pilot laboratory | |
|---|---|
| BEV |
Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET |
| CMI |
Czech Metrology Institute, Czechia, EURAMET |
| DMDM |
Directorate of Measures and Precious Metals, Serbia, EURAMET |
| GUM |
Glowny Urzad Miar, Central Office of Measures, Poland, EURAMET |
| IMBIH |
Institute of Metrology of Bosnia and Herzegovina, Bosnia and Herzegovina, EURAMET |
| INM |
National Institute of Metrology, Romania, EURAMET |
| IPQ |
Instituto Portugues da Qualidade, Portugal, EURAMET |
| JV |
Justervesenet, Norway, EURAMET |
| NMI (MD) |
The National Metrology Institute of the Republic of Moldova, Moldova, Republic of, EURAMET |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| UME |
TÜBITAK Ulusal Metroloji Enstitüsü, Türkiye, EURAMET |
This page proposes print-out on A4 paper (portrait) of the comparison details (best printed out using a black and white printer).
Please, select items to be printed out, then click on "OK" :
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Water at 20 °C
CCM.D-K2
The key comparison reference value xR and its associated expanded uncertainty at a 95% level of confidence, UR are calculated according to section 5 of the CCM.D-K2 Final Report, where the key comparison reference value is computed by a Monte Carlo method using the median. The distribution is usually non-symmetric and the confidence interval may not be equally spaced around the reference value.
xR = 998.3220 kg/m3 UR lower = 0.0038 kg/m3 and UR upper = 0.0038 kg/m3
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in kg/m3:
Di and its expanded uncertainty Ui at a 95 % level of confidence are calculated by the Monte Carlo method according to section 8 of the CCM.D-K2 Final Report.
Linking EURAMET.M.D-K2 to CCM.D-K2
The PTB and MKEH provides the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2, having participated in both comparisons. The linking process is described in Section 4 of the EURAMET.M.D-K2 Final Report.
Linking EURAMET.M.D-K2.1 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.1. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5.2 of the EURAMET.M.D-K2.1 Final Report.
Linking EURAMET.M.D-K2.2 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.2. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5.2 of the EURAMET.M.D-K2.2 Final Report.
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 5 °C
CCM.D-K2
The key comparison reference value xR and its associated expanded uncertainty at a 95% level of confidence, UR are calculated according to Procedure A explained in section 5 of the CCM.D-K2 Final Report. It is the weighted mean of the results.
xR = 1647.5491 kg/m3 UR = 0.0119 kg/m3
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in kg/m3:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (ui2 – uR2)1/2 where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively.
Linking EURAMET.M.D-K2 to CCM.D-K2
The PTB and MKEH provides the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2, having participated in both comparisons. The linking process is described in Section 4 of the EURAMET.M.D-K2 Final Report.
Linking EURAMET.M.D-K2.1 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.1. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.1 Final Report.
Linking EURAMET.M.D-K2.2 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.2. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.2 Final Report.
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 20 °C
CCM.D-K2
The key comparison reference value xR and its associated expanded uncertainty at a 95% level of confidence, UR are calculated according to Procedure A explained in section 5 of the CCM.D-K2 Final Report. It is the weighted mean of the results.
xR = 1622.7252 kg/m3 UR = 0.0106 kg/m3
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in kg/m3:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (ui2 – uR2)1/2 where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively.
Linking EURAMET.M.D-K2 to CCM.D-K2
The PTB and MKEH provides the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2, having participated in both comparisons. The linking process is described in Section 4 of the EURAMET.M.D-K2 Final Report.
Linking EURAMET.M.D-K2.1 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.1. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.1 Final Report.
Linking EURAMET.M.D-K2.2 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.2. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.2 Final Report.
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.1
MEASURAND: Density of liquids
LIQUID: Viscosity oil at 20 °C
CCM.D-K2
The key comparison reference value xR and its associated expanded uncertainty at a 95% level of confidence, UR are calculated according to Procedure A explained in section 5 of the CCM.D-K2 Final Report. It is the weighted mean of the results.
xR = 845.6817 kg/m3 UR = 0.0052 kg/m3
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in kg/m3:
Di = (xi - xR) and its expanded uncertainty Ui at a 95 % level of confidence where Ui = 2 (ui2 – uR2)1/2 where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively.
Linking EURAMET.M.D-K2 to CCM.D-K2
The PTB and MKEH provides the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2, having participated in both comparisons. The linking process is described in Section 4 of the EURAMET.M.D-K2 Final Report.
Linking EURAMET.M.D-K2.1 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.1. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.1 Final Report.
Linking EURAMET.M.D-K2.2 to CCM.D-K2
The BEV and PTB provide the link between the key comparison CCM.D-K2 and EURAMET.M.D-K2.2. BEV's results are linked to CCM.D-K2 through its participation in EURAMET.M.D-K2, while PTB participated in CCM.D-K2 and provided the link for EURAMET.M.D-K2. The linking process is described in Section 5 of the EURAMET.M.D-K2.1 Final Report.
MEASURAND : Density of liquids
LIQUID : Pentadecane at 15 °C
The key comparison reference value, xR , and associated expanded uncertainty at a 95% level of confidence, UR, are calculated according to Procedure B explained in Metrologia, 2012, 39, 589-595 (see page 17 of the Final Report).
The key comparison reference value is computed by a Monte Carlo method using the median. The distribution is usually non-symmetric and the confidence interval may not be equally spaced around the reference value.
xR = 772.0696kg/m3, UR lower = 0.0047 kg/m3 and UR upper = 0.0053 kg/m3
| In Procedure B, the degree of equivalence, Di, of laboratory i with respect to the key comparison reference value is calculated by the Monte Carlo method described in Metrologia, 2012, 39, 589-595. |
MEASURAND : Density of liquids
LIQUID : Pentadecane at 20 °C
The key comparison reference value, xR , and associated expanded uncertainty at a 95% level of confidence, UR, are calculated according to Procedure A explained in Metrologia, 2012, 39, 589-595 (see page 17 of the Final Report). It is the weighted mean of the results.
xR = 768.5652 kg/m3, UR = 0.0027 kg/m3
| The degree of equivalence, Di, of laboratory i with respect to the key comparison reference value is calculated as the offset to xR together with its expanded uncertainty Ui = 2(ui2 – uR2)1/2, where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively. |
MEASURAND : Density of liquids
LIQUID : Pentadecane at 40 °C
The key comparison reference value, xR , and associated expanded uncertainty at a 95% level of confidence, UR, are calculated according to Procedure A explained in Metrologia, 2012, 39, 589-595 (see page 17 of the Final Report). It is the weighted mean of the results.
xR = 754.5871 kg/m3, UR = 0.0040 kg/m3
| The degree of equivalence, Di, of laboratory i with respect to the key comparison reference value is calculated as the offset to xR together with its expanded uncertainty Ui = 2(ui2 – uR2)1/2, where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively. |
MEASURAND : Density of liquids
LIQUID : Pentadecane at 60 °C
The key comparison reference value, xR , and associated expanded uncertainty at a 95% level of confidence, UR, are calculated according to Procedure A explained in Metrologia, 2012, 39, 589-595 (see page 17 of the Final Report). It is the weighted mean of the results.
xR = 740.6078 kg/m3, UR = 0.0048 kg/m3
| The degree of equivalence, Di, of laboratory i with respect to the key comparison reference value is calculated as the offset to xR together with its expanded uncertainty Ui = 2(ui2 – uR2)1/2, where ui and uR are the standard uncertainties of the laboratory result and of the key comparison reference value, respectively. |
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Water at 20 °C
CCM.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2004.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| NRC* | 998.3122 | 0.0149 | |
| PTB | 998.3260 | 0.0025 | |
| OMH* | 998.3215 | 0.0049 | |
| NMIJ | 998.3235 | 0.0151 | |
| KRISS | 998.3165 | 0.0042 | |
| CENAM | 998.3215 | 0.0046 | |
| VNIIM | 998.3340 | 0.0060 |
*The results shown are corrected values (see Section 5 of the CCM.D-K2 Final Report ).
EURAMET.M.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2008.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 998.5215 | 0.0035 | |
| CEM | 998.4151 | 0.0536 | |
| GUM | 998.5206 | 0.0021 | |
| INM | 998.5539 | 0.0112 | |
| INRIM | 998.5322 | 0.0042 | |
| IPQ 1 | 997.6420 | 0.0686 | |
| IPQ 2 | 998.4891 | 0.0343 | |
| LNE | 998.5094 | 0.0084 | |
| MIKES | 998.5220 | 0.0064 | |
| MKEH | 998.5235 | 0.0047 | |
| NPL | 998.5224 | 0.0055 | |
| PTB | 998.5207 | 0.0031 | |
| SMU | 998.5300 | 0.0120 | |
| UME | 998.5358 | 0.0103 |
EURAMET.M.D-K2.1
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
Density determined by hydrostatic weighing.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 998.425 | 0.011 | |
| INM | 998.4336 | 0.0070 | |
| CMI | 998.428 | 0.022 | |
| DMDM | 998.4188 | 0.0084 | |
| GUM | 998.410 | 0.015 | |
| IMBIH | 998.429 | 0.012 | |
| IPQ | 998.4309 | 0.0056 | |
| JV | 998.392 | 0.080 | |
| PTB | 998.4240 | 0.0081 | |
| UME | 998.4275 | 0.0082 |
IPQ submitted corrected results.
EURAMET.M.D-K2.2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
Density determined by oscillation type density meters.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 998.4300 | 0.0039 | |
| INM | 998.420 | 0.015 | |
| CMI | 998.428 | 0.013 | |
| DMDM | 998.414 | 0.025 | |
| GUM | 998.4252 | 0.0028 | |
| IMBIH | 998.450 | 0.008 | |
| IPQ | 998.422 | 0.012 | |
| NMI (MD) | 998.437 | 0.018 | |
| JV | - | - | |
| PTB | 998.428 | 0.006 | |
| UME | 998.414 | 0.011 |
- Did not deliver data
IPQ submitted corrected results.
IMBIH submitted two sets of results. Results corresponding to density meter DMA5000 are published here.
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 5 °C
CCM.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2004.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| NRC | 1647.574 | 0.1206 | |
| PTB | 1647.5543 | 0.0230 | |
| OMH | 1647.5423 | 0.0229 | |
| NMIJ | 1647.5348 | 0.0304 | |
| KRISS | 1647.5561 | 0.0237 | |
| CENAM | 1647.564 | 0.0556 | |
| VNIIM | - | - |
- Did not measure
Uncertainties are corrected to include the inhomegeneity of the liquid. (See section 5.3 of CCM.D-K2 Final Report)
EURAMET.M.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2008.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 1647.5042 | 0.0063 | |
| CEM | - | - | |
| GUM | 1647.4896 | 0.0215 | |
| INM | * | * | |
| INRIM | - | - | |
| IPQ 1 | - | - | |
| IPQ 2 | - | - | |
| LNE | 1647.4940 | 0.0342 | |
| MIKES | - | - | |
| MKEH | - | - | |
| NPL | - | - | |
| PTB | 1647.5099 | 0.0038 | |
| SMU | 1647.5160 | 0.0200 | |
| UME | 1647.5457 | 0.0297 |
- Did not measure
* Measurements were withdrawn
EURAMET.M.D-K2.1
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 1647.425 | 0.077 | |
| INM | 1647.0747 | 0.0075 | |
| CMI | 1647.724 | 0.080 | |
| DMDM | 1647.290 | 0.028 | |
| GUM | 1647.427 | 0.011 | |
| IMBIH | - | - | |
| IPQ | 1647.377 | 0.013 | |
| JV | - | - | |
| PTB | 1647.4280 | 0.074 | |
| UME | 1647.445 | 0.019 |
- Did not deliver data
IPQ submitted corrected results
EURAMET.M.D-K2.2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 1647.4200 | 0.0039 | |
| INM | 1647.434 | 0.038 | |
| CMI | 1647.422 | 0.027 | |
| DMDM | 1647.273 | 0.027 | |
| GUM | 1647.363 | 0.011 | |
| IMBIH | - | - | |
| IPQ | 1647.365 | 0.012 | |
| NMI (MD) | 1647.012 | 0.019 | |
| JV | 1647.279 | 0.025 | |
| PTB | 1647.307 | 0.012 | |
| UME | 1647.308 | 0.026 |
- Did not deliver data
IPQ submitted corrected results
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.2
MEASURAND: Density of liquids
LIQUID: Tetrachloroethylene at 20 °C
CCM.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2004.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| NRC | 1622.751 | 0.0941 | |
| PTB | 1622.7198 | 0.0230 | |
| OMH | 1622.7260 | 0.0224 | |
| NMIJ | 1622.7041 | 0.0289 | |
| KRISS | 1622.7343 | 0.0237 | |
| CENAM | 1622.7414 | 0.0386 | |
| VNIIM | 1622.728 | 0.0276 |
Uncertainties are corrected to include the inhomegeneity of the liquid. See section 5.3 of CCM.D-K2 Final Report.
EURAMET.M.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2008.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 1622.6741 | 0.0051 | |
| CEM | - | - | |
| GUM | 1622.6577 | 0.0102 | |
| INM | 1622.7040 | 0.0189 | |
| INRIM | 1622.6723 | 0.0194 | |
| IPQ 1 | 1620.3625 | 0.1306 | |
| IPQ 2 | 1622.7234 | 0.0649 | |
| LNE | 1622.6280 | 0.0267 | |
| MIKES | - | - | |
| MKEH | 1622.6700 | 0.0100 | |
| NPL | 1622.5102 | 0.0247 | |
| PTB | 1622.6777 | 0.0037 | |
| SMU | 1622.6720 | 0.0200 | |
| UME | 1622.6839 | 0.0266 |
- Did not measure
EURAMET.M.D-K2.1
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 1622.595 | 0.075 | |
| INM | 1622.2640 | 0.0075 | |
| CMI | 1622.654 | 0.080 | |
| DMDM | 1622.521 | 0.028 | |
| GUM | 1622.587 | 0.012 | |
| IMBIH | - | - | |
| IPQ 2 | 1622.487 | 0.013 | |
| JV | 1622.194 | 0.058 | |
| PTB | 1622.593 | 0.074 | |
| UME | 1622.609 | 0.019 |
- Did not deliver data
IPQ submitted corrected results
EURAMET.M.D-K2.2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV-PTP | 1622.5680 | 0.0039 | |
| INM | 1622.586 | 0.021 | |
| CMI | 1622.597 | 0.027 | |
| DMDM | 1622.546 | 0.027 | |
| GUM | 1622.540 | 0.011 | |
| IMBIH | 1622.602 | 0.019 | |
| IPQ | 1622.528 | 0.012 | |
| NMI (MD) | 1622.595 | 0.021 | |
| JV | 1622.450 | 0.013 | |
| PTB | 1622.486 | 0.010 | |
| UME | 1622.476 | 0.026 |
IPQ submitted corrected results.
IMBIH submitted two sets of results. Results corresponding to density meter DMA5000 are published here.
CCM.D-K2, EURAMET.M.D-K2, EURAMET.M.D-K2.1 and EURAMET.M.D-K2.1
MEASURAND: Density of liquids
LIQUID: Viscosity oil at 20 °C
CCM.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2004.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| NRC | 845.6630 | 0.0587 | |
| PTB | 845.6896 | 0.0101 | |
| OMH | 845.6787 | 0.0118 | |
| NMIJ | - | - | |
| KRISS | 845.6739 | 0.0103 | |
| CENAM* | 845.6797 | 0.0152 | |
| VNIIM | 845.6792 | 0.0130 |
- Did not measure
*This value was corrected for atmospheric pressure
Uncertainties are corrected to include the inhomegeneity of the liquid. See section 5.3 of CCM.D-K2 Final Report.
EURAMET.M.D-K2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2008.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 831.9436 | 0.0035 | |
| CEM | 831.7340 | 0.0395 | |
| GUM | 831.9477 | 0.0043 | |
| INM | 831.9550 | 0.0104 | |
| INRIM | 831.9485 | 0.0092 | |
| IPQ 1 | 831.8688 | 0.0738 | |
| IPQ 2 | 831.7228 | 0.0369 | |
| LNE | 831.9593 | 0.0117 | |
| MIKES | - | - | |
| MKEH | 831.9447 | 0.0049 | |
| NPL | 831.9421 | 0.0063 | |
| PTB | 831.9409 | 0.0021 | |
| SMU | 831.9770 | 0.0140 | |
| UME | 831.9629 | 0.0117 |
- Did not measure
EURAMET.M.D-K2.1
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | Ui | |
| kg m-3 | kg m-3 | ||
| BEV | 830.337 | 0.064 | |
| INM | 830.4131 | 0.0075 | |
| CMI | 830.369 | 0.030 | |
| DMDM | 830.555 | 0.010 | |
| GUM | 830.3484 | 0.0078 | |
| IMBIH | 830.299 | 0.040 | |
| IPQ | 830.3783 | 0.0096 | |
| JV | 830.368 | 0.032 | |
| PTB | 830.391 | 0.064 | |
| UME | 830.3586 | 0.0080 |
IPQ submitted corrected results
EURAMET.M.D-K2.2
xi measured value submitted by laboratory i, Labi
Ui expanded uncertainty of xi at 95 % level of confidence
Measurements were carried out in 2021.
| Labi | xi | u(xi) | |
| kg m^(-3) | kg m^(-3) | ||
| BEV | 830.3350 | 0.0039 | |
| INM | 830.519 | 0.015 | |
| CMI | 830.468 | 0.013 | |
| DMDM | 830.482 | 0.026 | |
| GUM | 830.483 | 0.010 | |
| IMBIH | 830.477 | 0.007 | |
| IPQ | 830.357 | 0.017 | |
| INM-MD | 830.564 | 0.015 | |
| JV | 830.512 | 0.011 | |
| PTB | 830.477 | 0.006 | |
| UME | 830.479 | 0.013 |
IPQ submitted corrected results
IMBIH submitted two sets of results. Results corresponding to density meter DMA5000 are published here.
MEASURAND : Density of liquids
LIQUID : Pentadecane at 15 °C
Measurements were carried from 27 April 2004 to 28 June 2004.
The results of the participants are given in Section 5 of the CCM.D-K2 Final Report (see Table 12).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 20 °C
Measurements were carried from 27 April 2004 to 28 June 2004.
The results of the participants are given in Section 5 of the CCM.D-K2 Final Report (see Tables 10 and 11).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 40 °C
Measurements were carried from 27 April 2004 to 28 June 2004.
The results of the participants are given in Section 5 of the CCM.D-K2 Final Report (see Table 13).
MEASURAND : Density of liquids
LIQUID : Pentadecane at 60 °C
Measurements were carried from 27 April 2004 to 28 June 2004.
The results of the participants are given in Section 5 of the CCM.D-K2 Final Report (see Table 14).
