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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
France, LNE-LCM/Cnam (Conservatoire National des Arts et Métiers/Laboratoire Commun de Métrologie)
Items for defining ITS-90 ,
Temperature
:
13.8033 K
Hydrogen triple point for CSPRT
Absolute expanded uncertainty
:
0.74 mK
Comparison with a cell
Adiabatic calorimeter Service provided by the LNE-INM
Approved on 20 May 2010
Institute service identifier : CBT
CMC ID :
EURAMET-T-FR-00000L7I-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C
Long stem SPRT
Absolute expanded uncertainty
:
0.29 mK
Calibration at water triple-point
Temperature-controlled bath Service provided by the LNE-INM
Approved on 20 January 2010
Institute service identifier : CMT
CMC ID :
EURAMET-T-FR-00000L7G-1
Items for defining ITS-90 ,
Temperature
:
0.01 °C
Water triple point cell for SPRT
Absolute expanded uncertainty
:
0.1 mK
Direct comparison
Temperature-controlled bath Service provided by the LNE-INM
Approved on 20 January 2010
Institute service identifier : CMT
CMC ID :
EURAMET-T-FR-00000L7F-1
Items for defining ITS-90 ,
Temperature
:
961.78 °C
Fixed-point blackbody radiator, Ag
Absolute expanded uncertainty
:
9.0E-2 °C
Comparison with a fixed-point blackbody radiator
Spectral comparison through radiance comparator : 0.65 µm to 2.5 µm
Service provided by the LNE-INM
Approved on 18 May 2004
Institute service identifier : CPYR
CMC ID :
EURAMET-T-FR-00000L89-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
0 °C to 550 °C
Noble metal thermocouple (type S)
Absolute expanded uncertainty
:
0.3 °C to 0.5 °C
Calibration by comparison
Inhomomgeneity uncertainty for each pure metal TC must be added to the combined uncertainty quoted in the calibration report. Calibration at any temperature in the range. Service provided by the LNE.
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L98-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
660.323 °C
Noble metal thermocouple (type S)
Absolute expanded uncertainty
:
0.24 °C
Measurement at Aluminum melting point
Pre-determined value of inhomogeneity included in the CMC entry. Specific thermal treatment before calibration. Service provided by the LNE.
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L8Z-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
961.78 °C
Noble metal thermocouple (type Pt/Pd)
Absolute expanded uncertainty
:
8.0E1 mK
Calibration at fixed point
Inhomomgeneity uncertainty for each pure metal TC must be added to the combined uncertainty quoted in the calibration report. Service provided by the LNE.
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L95-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
231.928 °C
Noble metal thermocouple (type S)
Absolute expanded uncertainty
:
0.2 °C
Measurement at tin melting point
Pre-determined value of inhomogeneity included in the CMC entry. Specific thermal treatment before calibration. Service provided by the LNE.
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L8X-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
250 °C to 550 °C
Platinum Resistance Thermometer
Absolute expanded uncertainty
:
2.0E1 mK
Calibration by comparison
Nitrite salts bath Service provided by the LNE
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L8S-1
Items for defining ITS-90 ,
Temperature
:
419.527 °C
Long stem SPRT
Absolute expanded uncertainty
:
1.1 mK
Measurement at zinc fixed point
Air flow furnace Service provided by the LNE-INM
Approved on 18 May 2004
Institute service identifier : CMT
CMC ID :
EURAMET-T-FR-00000L8I-1
Items for defining ITS-90 ,
Temperature
:
419.527 °C
Zinc for SPRT
Absolute expanded uncertainty
:
1 mK
Comparison with a cell
Air flow furnace Service provided by the LNE-INM
Approved on 18 May 2004
Institute service identifier : CMT
CMC ID :
EURAMET-T-FR-00000L87-1
Items for defining ITS-90 ,
Temperature
:
13 K to 24 K
Capsule-type SPRT
Absolute expanded uncertainty
:
4.5 mK
Direct comparison
Adiabatic calorimeter Service provided by the LNE-INM
Approved on 17 January 2013
CMC ID :
EURAMET-T-FR-00000L7O-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
600 °C to 950 °C
Variable temperature blackbody radiation sources
Absolute expanded uncertainty
:
2.1 °C to 2.9 °C
Comparison
Wavelength : 8 µm to 14 µm band
Service provided by the LNE
Approved on 06 September 2013
Institute service identifier : LPYR
CMC ID :
EURAMET-T-FR-00000L9W-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
150 °C to 600 °C
Variable temperature blackbody radiation sources
Absolute expanded uncertainty
:
0.4 °C to 1.3 °C
Comparison
Wavelength : 8 µm to 14 µm band
Service provided by the LNE
Approved on 06 September 2013
Institute service identifier : LPYR
CMC ID :
EURAMET-T-FR-00000L9T-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
150 °C to 600 °C
Variable temperature blackbody radiation sources
Absolute expanded uncertainty
:
0.4 °C to 0.5 °C
Comparison
Wavelength : 3 µm to 5 µm band
Service provided by the LNE
Approved on 06 September 2013
Institute service identifier : LPYR
CMC ID :
EURAMET-T-FR-00000L9U-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
600 °C to 950 °C
Variable temperature blackbody radiation sources
Absolute expanded uncertainty
:
1.5 °C to 1.7 °C
Comparison
Wavelength : 3 µm to 5 µm band
Service provided by the LNE
Approved on 06 September 2013
Institute service identifier : LPYR
CMC ID :
EURAMET-T-FR-00000L9V-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
960 °C to 1300 °C
Base-metal thermocouple (K, N, J, E, T)
Absolute expanded uncertainty
:
0.9 °C to 1.1 °C
Calibration by comparison
Inhomomgeneity uncertainty for each pure metal TC must be added to the combined uncertainty quoted in the calibration report. Service provided by the LNE
Approved on 19 March 2012
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L9Q-1
Items for disseminating ITS-90 and PLTS 2000 ,
Temperature
:
0 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty
:
1.0E1 mK
Measurement at ice point
Total immersion Graduation 0,01 °C Interpolation 1/5th of the graduation. At any temperature in the range V27/12/2018.
Approved on 03 November 2009
Institute service identifier : LMT
CMC ID :
EURAMET-T-FR-00000L9E-1
Spectral properties of materials ,
Transmittance, regular, spectral
:
1.00E-4 to 1
Spectrally-neutral material
Relative expanded uncertainty
:
0.1 % to 0.5 %
0.1(1 - log(t)) t - transmittance
The uncertainty is expressed in %
Direct / cascading
Wavelength : 380 nm to 1000 nm
Bandwidth : 0.85 nm
Approved on 07 February 2020
CMC ID :
EURAMET-PR-FR-00000MBC-1
Spectral properties of materials ,
Transmittance, regular, spectral
:
1.00E-4 to 1
Spectrally-neutral material
Relative expanded uncertainty
:
0.2 % to 1 %
0.2(1 - log(t)) t - transmittance
The uncertainty is expressed in %
Direct / cascading
Wavelength : 250 nm to 380 nm
Bandwidth : 0.52 nm
Approved on 07 February 2020
CMC ID :
EURAMET-PR-FR-00000MBB-1
