Comparison Display

CIPM MRA PARTICIPANTS

The KCDB - the BIPM key comparison database – supports the CIPM MRA. The KCDB contains information on the internationally recognized Calibration and Measurement Capabilities (CMCs) for services available from the participating institutes, and the key and supplementary comparisons supporting these CMCs.

All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement

Menu

CIPM MRA PARTICIPANTS

CMC statistics

CMC statistics

Comparison statistics

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter A: 92 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

Graphs of equivalence

Filter A - 380 nm: D_i and U_i (k = 2)

Note: U_IPQ = 9.762E-03; D_UME = 1.466E-02 and U_UME = 2.806E-03

Filter A - 400 nm: D_i and U_i (k = 2)

Note: U_IPQ = 8.374E-03; D_UME = 1.515E-02 and U_UME = 2.639E-03

Filter A - 500 nm: D_i and U_i (k = 2)

Note: D_INRIM = 5.285E-03 and U_INRIM = 1.207E-03; D_UME = 1.552E-02 and U_UME = 3.540E-03

Filter A - 600 nm: D_i and U_i (k = 2)

Note: D_UME = 1.313E-02 and U_UME = 2.161E-03

Filter A - 700 nm: D_i and U_i (k = 2)

Note: D_UME = 8.719E-03 and U_UME = 9.100E-04

Filter A - 800 nm: D_i and U_i (k = 2)

Filter A - 900 nm: D_i and U_i (k = 2)

Filter A - 1000 nm: D_i and U_i (k = 2)

Red diamonds : participants in CCPR-K6
Blue squares : participants in EUROMET.PR-K6
Green triangle : participant in EURAMET.PR-K6.1
Violet circle : participant in EURAMET.PR-K6.2

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter B: 56 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

Graphs of equivalence

Filter B - 380 nm: D_i and U_i (k = 2)

Note: D_UME = 1.967E-02 and U_UME = 4.210E-03

Filter B - 400 nm: D_i and U_i (k = 2)

Filter B - 500 nm: D_i and U_i (k = 2)

Filter B - 600 nm: D_i and U_i (k = 2)

Filter B - 700 nm: D_i and U_i (k = 2)

Filter B - 800 nm: D_i and U_i (k = 2)

Filter B - 900 nm: D_i and U_i (k = 2)

Filter B - 1000 nm: D_i and U_i (k = 2)

Red diamonds : participants in CCPR-K6
Blue squares : participants in EUROMET.PR-K6
Green triangle : participant in EURAMET.PR-K6.1
Violet circle : participant in EURAMET.PR-K6.2

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter C: 10 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

Graphs of equivalence

Filter C - 380 nm: D_i and U_i (k = 2)

Note: D_UME = 4.691E-03 and U_UME = 7.527E-04

Filter C - 400 nm: D_i and U_i (k = 2)

Note: U_BEV = 2.002E-03

Filter C - 500 nm: D_i and U_i (k = 2)

Note: D_CMI = -2.259E-02 and U_CMI = 1.087E-04

Filter C - 600 nm: D_i and U_i (k = 2)

Note: U_BEV = 2.402E-03; D_SP = 6.872E-01 and U_SP = 4.260E-04

Filter C - 700 nm: D_i and U_i (k = 2)

Note: U_BEV = 2.401E-03

Filter C - 800 nm: D_i and U_i (k = 2)

Note: U_BEV= 2.201E-03

Filter C - 900 nm: D_i and U_i (k = 2)

Note: D_INRIM = 3.672E-03 and U_INRIM = 4.112E-04; D_SP = 2.226E-03 and U_SP = 1.183E-03; D_UME = 1.594E-03 and U_UME = 2.472E-04

Filter C - 1000 nm: D_i and U_i (k = 2)

Note: D_BEV = 1.533E-03 and U_BEV = 2.200E-03; D_INRIM = 2.689E-03 and U_INRIM = 1.614E-04; D_SP = 1.561E-03 and U_SP = 9.206E-04

Red diamonds : participants in CCPR-K6
Blue squares : participants in EUROMET.PR-K6
Green triangle : participant in EURAMET.PR-K6.1
Violet circle : participant in EURAMET.PR-K6.2

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter D: 1 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

Graphs of equivalence

Filter D - 380 nm: D_i and U_i (k = 2)

Note: U_VNIIOFI = 6.540E-04; U_BEV = 1.685E-03

Filter D - 400 nm: D_i and U_i (k = 2)

Note: U_VNIIOFI = 6.622E-04; U_BEV = 1.542E-03

Filter D - 500 nm: D_i and U_i (k = 2)

Note: U_VNIIOFI = 5.983E-04; U_BEV = 1.403E-03; D_CMI = -2.016E-03 and U_CMI = 9.717E-05

Filter D - 600 nm: D_i and U_i (k = 2)

Note: U_VNIIOFI = 6.281E-04; U_BEV = 2.404E-03

Filter D - 700 nm: D_i and U_i (k = 2)

Note: U_BEV = 2.217E-03

Filter D - 800 nm: D_i and U_i (k = 2)

Note: U_VNIIOFI = 6.029E-04; U_BEV = 2.002E-03

Filter D - 900 nm: D_i and U_i (k = 2)

Note: U_NMIJ = 1.178E-03; U_VNIIOFI = 6.081E-04; U_BEV = 2.000E-03; D_INRIM = 9.023E-04 and U_INRIM = 1.082E-04; D_SP = 4.793E-04 and U_SP = 4.019E-04

Filter D - 1000 nm: D_i and U_i (k = 2)

Note: U_NMIJ = 1.030E-03; U_VNIIOFI = 6.161E-04; U_BEV = 1.801E-03; D_INRIM = 6.069E-04 and U_INRIM = 6.151E-05

Red diamonds : participants in CCPR-K6
Blue squares : participants in EUROMET.PR-K6
Green triangle : participant in EURAMET.PR-K6.1
Violet circle : participant in EURAMET.PR-K6.2

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter A: 92 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The tables below show the degrees of equivalence relative to the key comparison reference values

Blue indicates participants in EUROMET.PR-K6
Green indicates participant in EURAMET.PR-K6.1
Orange indicates participant in EURAMET.PR-K6.1

Results are available in Summary Results (PDF file).

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter B: 56 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The tables below show the degrees of equivalence relative to the key comparison reference values

Blue indicates participants in EUROMET.PR-K6
Green indicates participant in EURAMET.PR-K6.1
Orange indicates participant in EURAMET.PR-K6.1

Results are available in Summary Results (PDF file).

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter C: 10 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The tables below show the degrees of equivalence relative to the key comparison reference values

Blue indicates participants in EUROMET.PR-K6
Green indicates participant in EURAMET.PR-K6.1
Orange indicates participant in EURAMET.PR-K6.1

Results are available in Summary Results (PDF file).

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter D: 1 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The tables below show the degrees of equivalence relative to the key comparison reference values

Blue indicates participants in EUROMET.PR-K6
Green indicates participant in EURAMET.PR-K6.1
Orange indicates participant in EURAMET.PR-K6.1

Results are available in Summary Results (PDF file).

Comparison

Comparison close

EURAMET.PR-K6.2

Information & contact
Participants

Metrology area, Sub-field	Photometry and Radiometry, Properties of materials
Description	Spectral regular transmittance (Bilateral comparison)
Time of measurements	2008 - 2009
Status	Approved for equivalence

Final Reports of the comparisons	Metrologia, 2017, 54, Tech. Suppl., 02003
Measurand	Spectral regular transmittance Nominal values: 92 %, 56 %, 10 % and 1 %
Parameters	Wavelength from 380 nm to 700 nm (7 wavelengths)
Transfer device	Coloured glass filters

Comparison type	Key Comparison
Consultative Committee	CCPR (Consultative Committee for Photometry and Radiometry)
Conducted by	EURAMET (European Association of National Metrology Institutes)
Comments	This is a bilateral key comparison between BIM and VSL. Results published on 12 May 2017 EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2 results are linked to those of CCPR-K6 Spectral regular transmittance
Pilot institute	BIM Bulgarian Institute of Metrology Bulgaria
Contact person	Angela KUNOVA +359 2 974 31 61

Pilot laboratory
BIM	Bulgarian Institute of Metrology, Bulgaria, EURAMET

VSL	VSL, Netherlands, EURAMET

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

Key comparison CCPR-K6

MEASURAND: Spectral regular transmittance
Filter A: 92 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The key comparison reference value, x_R, and its standard uncertainty, u_R, are deduced from the participants' results compared to the Pilot's results, using a weighted mean with application of a cut-off, outliers being excluded, as explained in Sections 5 and 8 of the Final Report.

380 nm: x_R = 4.357E-04, u_R = 1.058E-04
400 nm: x_R = 3.701E-04, u_R = 8.210E-05
500 nm: x_R = 3.234E-04, u_R = 6.338E-05
600 nm: x_R = 3.075E-04, u_R = 6.302E-05
700 nm: x_R = 4.225E-04, u_R = 6.926E-05
800 nm: x_R = 6.383E-04, u_R = 4.380E-05
900 nm: x_R = 5.228E-04, u_R = 6.047E-05
1000 nm: x_R = 4.211E-04, u_R = 6.443E-05

The degree of equivalence of laboratory i relative to the key comparison reference value is given by a pair of terms: D_i and its expanded uncertainty (k = 2) U_i, computed according to equations 16 and 17 on page 52 of the Final Report (see also Section 9 on page 62).

The degrees of equivalence between pairs of laboratories have not been computed for this key comparison.

Linking key comparison EUROMET.PR-K6 to CCPR-K6

The linking process is described in section 6 of the EUROMET.PR-K6 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to the participants in EUROMET.PR-K6 only.

Linking key comparison EURAMET.PR-K6.1 to CCPR-K6

The linking process is described in section 6 of the EURAMET.PR-K6.1 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to DMDM participant in EURAMET.PR-K6.1 only.

Linking key comparison EURAMET.PR-K6.2 to CCPR-K6

The linking is made via the VSL who participated both in the CCPR-K6 and EURAMET.PR-K6.2 comparisons.

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

Key comparison CCPR-K6

MEASURAND: Spectral regular transmittance
Filter B: 56 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The key comparison reference value, x_R, and its standard uncertainty, u_R, are deduced from the participants' results compared to the Pilot's results, using a weighted mean with application of a cut-off, outliers being excluded, as explained in Sections 5 and 8 of the Final Report.

380 nm: x_R = 1.540E-03, u_R = 1.637E-04
400 nm: x_R = 1.093E-03, u_R = 1.187E-04
500 nm: x_R = 9.756E-04, u_R = 1.139E-04
600 nm: x_R = 7.611E-04, u_R = 6.358E-05
700 nm: x_R = 3.424E-04, u_R = 5.251E-05
800 nm: x_R = 2.010E-04, u_R = 5.879E-05
900 nm: x_R = 7.263E-05, u_R = 5.819E-05
1000 nm: x_R = 1.051E-04, u_R = 6.384E-05

The degree of equivalence of laboratory i relative to the key comparison reference value is given by a pair of terms: D_i and its expanded uncertainty (k = 2) U_i, computed according to equations 16 and 17 on page 52 of the Final Report (see also Section 9 on page 62).

The degrees of equivalence between pairs of laboratories have not been computed for this key comparison.

Linking key comparison EUROMET.PR-K6 to CCPR-K6

The linking process is described in section 6 of the EUROMET.PR-K6 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to the participants in EUROMET.PR-K6 only.

Linking key comparison EURAMET.PR-K6.1 to CCPR-K6

The linking process is described in section 6 of the EURAMET.PR-K6.1 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to DMDM participant in EURAMET.PR-K6.1 only.

Linking key comparison EURAMET.PR-K6.2 to CCPR-K6

The linking is made via the VSL who participated both in the CCPR-K6 and EURAMET.PR-K6.2 comparisons.

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

Key comparison CCPR-K6

MEASURAND: Spectral regular transmittance
Filter C: 10 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

The key comparison reference value, x_R, and its standard uncertainty, u_R, are deduced from the participants' results compared to the Pilot's results, using a weighted mean with application of a cut-off, outliers being excluded, as explained in Sections 5 and 8 of the Final Report.

380 nm: x_R = 1.211E-04, u_R = 3.114E-05
400 nm: x_R = -3.117E-05, u_R = 2.835E-05
500 nm: x_R = 1.156E-04, u_R = 2.193E-05
600 nm: x_R = 1.777E-04, u_R = 1.765E-05
700 nm: x_R = 9.633E-05, u_R = 2.987E-05
800 nm: x_R = 1.455E-05, u_R = 2.755E-05
900 nm: x_R = 8.838E-06, u_R = 1.978E-05
1000 nm: x_R = -1.840E-06, u_R = 1.555E-05

The degree of equivalence of laboratory i relative to the key comparison reference value is given by a pair of terms: D_i and its expanded uncertainty (k = 2) U_i, computed according to equations 16 and 17 on page 52 of the Final Report (see also Section 9 on page 62).

The degrees of equivalence between pairs of laboratories have not been computed for this key comparison.

Linking key comparison EUROMET.PR-K6 to CCPR-K6

The linking process is described in section 6 of the EUROMET.PR-K6 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to the participants in EUROMET.PR-K6 only.

Linking key comparison EURAMET.PR-K6.1 to CCPR-K6

The linking process is described in section 6 of the EURAMET.PR-K6.1 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to DMDM participant in EURAMET.PR-K6.1 only.

Linking key comparison EURAMET.PR-K6.2 to CCPR-K6

The linking is made via the VSL who participated both in the CCPR-K6 and EURAMET.PR-K6.2 comparisons.

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter D: 1 % nominal transmittance at 546 nm
Wavelength: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm

Key comparison CCPR-K6

The key comparison reference value, x_R, and its standard uncertainty, u_R, are deduced from the participants' results compared to the Pilot's results, using a weighted mean with application of a cut-off, outliers being excluded, as explained in Sections 5 and 8 of the Final Report.

380 nm: x_R = -1.599E-06, u_R = 3.689E-06
400 nm: x_R = -1.185E-05, u_R = 4.792E-06
500 nm: x_R = 8.555E-06, u_R = 4.187E-06
600 nm: x_R = 4.101E-05, u_R = 4.668E-06
700 nm: x_R = 3.374E-05, u_R = 1.090E-05
800 nm: x_R = 6.546E-06, u_R = 8.918E-06
900 nm: x_R = -4.104E-06, u_R = 6.348E-06
1000 nm: x_R = -3.835E-06, u_R = 5.411E-06

The degree of equivalence of laboratory i relative to the key comparison reference value is given by a pair of terms: D_i and its expanded uncertainty (k = 2) U_i, computed according to equations 16 and 17 on page 52 of the Final Report (see also Section 9 on page 62).

The degrees of equivalence between pairs of laboratories have not been computed for this key comparison.

Linking key comparison EUROMET.PR-K6 to CCPR-K6

The linking process is described in section 6 of the EUROMET.PR-K6 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to the participants in EUROMET.PR-K6 only.

Linking key comparison EURAMET.PR-K6.1 to CCPR-K6

The linking process is described in section 6 of the EURAMET.PR-K6.1 Final Report. For each wavelength, the Matrix and the Graph of equivalence obtained in CCPR-K6 are extended to DMDM participant in EURAMET.PR-K6.1 only.

Linking key comparison EURAMET.PR-K6.2 to CCPR-K6

The linking is made via the VSL who participated both in the CCPR-K6 and EURAMET.PR-K6.2 comparisons.

Unless otherwise stated, in the final numbers presented here, rounding has been applied according to ISO-31-0 Annex B Rule B.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter A: 92 % nominal transmittance at 546 nm

Key comparison CCPR-K6

The filter characteristics are detailed in Table 3 on page 7 of the Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the Final Report.

Key comparison EUROMET.PR-K6

The filter standards used are detailed in section 3.1 of the EUROMET.PR-K6 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the EUROMET.PR-K6 Final Report.

Key comparison EURAMET.PR-K6.1

The filter standards used are detailed in section 3.1 of the EURAMET.PR-K6.1 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of the participants are available in page 17 of the EURAMET.PR-K6.1 Final Report.

Key comparison EURAMET.PR-K6.2

The filter standards used are listed on p. 2 in the EURAMET.PR-K6.2 Final Report. Measurements are carried out for five wavelengths: 380 nm, 400 nm, 500 nm, 600 nm and 700 nm. Measurement results are listed on pp. 4 to 10 in the EURAMET.PR-K6.2 Final Report.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter B: 56 % nominal transmittance at 546 nm

Key comparison CCPR-K6

The filter characteristics are detailed in Table 3 on page 7 of the Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the Final Report.

Key comparison EUROMET.PR-K6

The filter standards used are detailed in section 3.1 of the EUROMET.PR-K6 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the EUROMET.PR-K6 Final Report.

Key comparison EURAMET.PR-K6.1

The filter standards used are detailed in section 3.1 of the EURAMET.PR-K6.1 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of the participants are available in page 17 of the EURAMET.PR-K6.1 Final Report.

Key comparison EURAMET.PR-K6.2

The filter standards used are listed on p. 2 in the EURAMET.PR-K6.2 Final Report. Measurements are carried out for five wavelengths: 380 nm, 400 nm, 500 nm, 600 nm and 700 nm. Measurement results are listed on pp. 4 to 10 in the EURAMET.PR-K6.2 Final Report.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter C: 10 % nominal transmittance at 546 nm

Key comparison CCPR-K6

The filter characteristics are detailed in Table 3 on page 7 of the Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the Final Report.

Key comparison EUROMET.PR-K6

The filter standards used are detailed in section 3.1 of the EUROMET.PR-K6 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the EUROMET.PR-K6 Final Report.

Key comparison EURAMET.PR-K6.1

The filter standards used are detailed in section 3.1 of the EURAMET.PR-K6.1 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of the participants are available in page 17 of the EURAMET.PR-K6.1 Final Report.

Key comparison EURAMET.PR-K6.2

The filter standards used are listed on p. 2 in the EURAMET.PR-K6.2 Final Report. Measurements are carried out for five wavelengths: 380 nm, 400 nm, 500 nm, 600 nm and 700 nm. Measurement results are listed on pp. 4 to 10 in the EURAMET.PR-K6.2 Final Report.

CCPR-K6, EUROMET.PR-K6, EURAMET.PR-K6.1 and EURAMET.PR-K6.2

MEASURAND: Spectral regular transmittance
Filter D: 1 % nominal transmittance at 546 nm

Key comparison CCPR-K6

The filter characteristics are detailed in Table 3 on page 7 of the Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the Final Report.

Key comparison EUROMET.PR-K6

The filter standards used are detailed in section 3.1 of the EUROMET.PR-K6 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of all participants are available in the Annex B of the EUROMET.PR-K6 Final Report.

Key comparison EURAMET.PR-K6.1

The filter standards used are detailed in section 3.1 of the EURAMET.PR-K6.1 Final Report.

Measurements are carried out for eight wavelengths: 380 nm, 400 nm, 500 nm, 600 nm, 700 nm, 800 nm, 900 nm, and 1000 nm.
Absolute transmission measurements and associated uncertainties of the participants are available in page 17 of the EURAMET.PR-K6.1 Final Report.

Key comparison EURAMET.PR-K6.2

The filter standards used are listed on p. 2 in the EURAMET.PR-K6.2 Final Report. Measurements are carried out for five wavelengths: 380 nm, 400 nm, 500 nm, 600 nm and 700 nm. Measurement results are listed on pp. 4 to 10 in the EURAMET.PR-K6.2 Final Report.