CCM.P-K2, EURAMET.M.P-K4.2010 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE        10 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

EURAMET.M.P-K4.2010 and APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2 and EURAMET.M.P-K8

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       20 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       30 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       40 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       50 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       60 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       70 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       80 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       90 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       100 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       110 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       120 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K4.2010 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE        10 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

EURAMET.M.P-K4.2010 and APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2 and EURAMET.M.P-K8

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       20 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       30 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       40 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       50 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       60 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       70 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       80 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       90 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       100 kPa

CCM.P-K2 and EURAMET.M.P-K8

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       110 kPa

CCM.P-K2

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

APMP.M.P-K9

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in Pa.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       120 kPa

Degrees of equivalence represented by D_i = (x_I - x_R) and its expanded uncertainty U_i at a 95 % level of confidence, both expressed in mm².

CCM.P-K2, EURAMET.M.P-K4.2010 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE        10 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 4 mm²
                                                u_R = 0.000 9 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking EURAMET.M.P-K4.2010 to CCM.P-K2

PTB provides the link between key comparisons CCM.P-K2 and EURAMET.M.P-K4.2010, having participated in both comparisons. The linkage process is described in Section 11 of the EURAMET.M.P-K4.2010 Final Report.

The degrees of equivalence of the laboratories having participated in EURAMET.M.P-K4.2010, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2 and EURAMET.M.P-K8

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       20 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.


                                                x_R = 335.744 8 mm²
                                                u_R = 0.001 7 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking EURAMET.M.P-K8 to CCM.P-K2

PTB and INRiM provides the link between key comparisons CCM.P-K2 and EURAMET.M.P-K8, having participated in both comparisons. The linkage process is described in Section 11 of the EURAMET.M.P-K8 Final Report.

The degrees of equivalence of the laboratories having participated in EURAMET.M.P-K4.2010, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       30 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x^_R = 335.745 5 mm²
                                                u_R = 0.001 0 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       40 kPa

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 2 mm²
                                                u_R = 0.000 8 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       50 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 0 mm²
                                                u_R = 0.000 8 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking EURAMET.M.P-K8 to CCM.P-K2

PTB and INRiM provides the link between key comparisons CCM.P-K2 and EURAMET.M.P-K8, having participated in both comparisons. The linkage process is described in Section 11 of the EURAMET.M.P-K8 Final Report.

The degrees of equivalence of the laboratories having participated in EURAMET.M.P-K4.2010, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       60 kPa

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.745 1 mm²
                                                u_R = 0.000 9 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       70 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.745 3 mm²
                                                u_R = 0.000 5 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking EURAMET.M.P-K8 to CCM.P-K2

PTB and INRiM provides the link between key comparisons CCM.P-K2 and EURAMET.M.P-K8, having participated in both comparisons. The linkage process is described in Section 11 of the EURAMET.M.P-K8 Final Report.

The degrees of equivalence of the laboratories having participated in EURAMET.M.P-K4.2010, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       80 kPa

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 6 mm²
                                                u_R = 0.000 9 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       90 kPa

CCM.P-K2

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 8 mm²
                                                u_R = 0.000 9 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       100 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.745 1 mm²
                                                u_R = 0.000 7 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking EURAMET.M.P-K8 to CCM.P-K2

PTB and INRiM provides the link between key comparisons CCM.P-K2 and EURAMET.M.P-K8, having participated in both comparisons. The linkage process is described in Section 11 of the EURAMET.M.P-K8 Final Report.

The degrees of equivalence of the laboratories having participated in EURAMET.M.P-K4.2010, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       110 kPa

CCM.P-K2

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.744 3 mm²
                                                u_R = 0.001 0 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

Linking APMP.M.P-K9 to CCM.P-K2

NMIA and PTB provides the link between key comparisons CCM.P-K2 and APMP.M.P-K9, having participated in both comparisons. The linkage process is described in Section 6 of the APMP.M.P-K9 Final Report.

The degrees of equivalence of the laboratories having participated in APMP.M.P-K9, with respect to the CCM.P-K2 key comparison reference value, are expressed in Pa, and therefore are shown on a different graph from the one for the participants in CCM.P-K2.

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       120 kPa

The key comparison reference value, x_R, is calculated as the median of the participants' values. The standard uncertainty of the key comparison reference value, u_R, is calculated by the formula u_R = 1.858 MAD / (n - 1)^1/2, where MAD is the median of absolute deviations from the median, and n is the number of participants contributing to the reference value.

                                                x_R = 335.743 2 mm²
                                                u_R = 0.001 6 mm²

The degree of equivalence of laboratory i with respect to the key comparison reference value is given by a pair of terms expressed in mm²:

D_i = (x_i - x_R) and U_i = 2(u_i² + u_R² + u_T²)^1/2, its expanded uncertainty (k = 2). u_T is the uncertainty due to the instability of the transfer standard: u_T = 0.002 5 mm² (see page 15 of the Final Report).

The degree of equivalence between two laboratories i and j is given by a pair of terms expressed in mm²: D_ij = D_i - D_j = (xi - x_j) and U_ij = 2(u_i² + u_j² + 2u_T²)^1/2, its expanded uncertainty (k = 2). Effects of correlation should be taken into consideration.

CCM.P-K2, EURAMET.M.P-K4.2010 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE        10 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2 and EURAMET.M.P-K8

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       20 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       30 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       40 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       50 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       60 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       70 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       80 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       90 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2, EURAMET.M.P-K8 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       100 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2 and APMP.M.P-K9

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm2

NOMINAL PRESSURE       110 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i

CCM.P-K2

MEASURAND                     Effective area of a piston-cylinder assembly

NOMINAL VALUE              335.7 mm²

NOMINAL PRESSURE       120 kPa

x_i   results obtained by laboratory i, Lab_i

u_i   combined standard uncertainty of x_i