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)
Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
fish tissue arsenic 3 to 10 3
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : 01
  • CMC ID : EURAMET-QM-IT-000000N5-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
polypropylene cadmium 10 to 100 1.8 to 2.4
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 19 June 2014
  • Institute service identifier : 01_07
  • CMC ID : EURAMET-QM-IT-000000JN-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in Absolute expanded uncertainty in
synthetic air carbon dioxide 100 to 1000 0.4
  • Mechanism for measurement service delivery : Calibration of NDIR analysers
  • Approved on 22 October 2020
  • Institute service identifier : PT-QM-4.2-02b
  • CMC ID : EURAMET-QM-IT-0000010J-2
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in µmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in Absolute expanded uncertainty in
nitrogen carbon dioxide 100 to 1000 0.4
  • Mechanism for measurement service delivery : Calibration of NDIR analysers
  • Approved on 22 October 2020
  • Institute service identifier : PT-QM-4.2-02a
  • CMC ID : EURAMET-QM-IT-0000010I-2
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
polypropylene chromium 100 to 1000 1.6 to 1.8
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 19 June 2014
  • Institute service identifier : 01_06
  • CMC ID : EURAMET-QM-IT-000000JM-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
aluminium alloy chromium 200 to 2000 2 to 4
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 06 December 2011
  • Institute service identifier : 01_04
  • CMC ID : EURAMET-QM-IT-0000006P-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
aluminium alloy iron 500 to 1.00E4 3 to 5
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 06 December 2011
  • Institute service identifier : 01_03
  • CMC ID : EURAMET-QM-IT-0000006O-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
aluminium alloy manganese 100 to 2000 2.4 to 3.5
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 06 December 2011
  • Institute service identifier : 01_05
  • CMC ID : EURAMET-QM-IT-0000006Q-1
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in nmol/mol Absolute expanded uncertainty in nmol/mol Amount-of-substance fraction in % Absolute expanded uncertainty in %
purified air ozone 0 to 1000 1.1 to 2.2E1
  • Uncertainty equation CMC : Q[1.1, 0.022 x(O3)] O3 representing the amount-of-substance fraction in nmol/mol.
  • Mechanism for measurement service delivery : Instrumental comparison against primary UV photometer
  • Approved on 06 October 2022
  • Institute service identifier : L/08/01
  • CMC ID : EURAMET-QM-IT-00000KPG-2
     
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Mass fraction in mg/kg Absolute expanded uncertainty in % Mass fraction in Absolute expanded uncertainty in
fish tissue selenium 1 to 10 2 to 6
  • Mechanism for measurement service delivery : Reference measurement
  • Approved on 08 July 2015
  • Institute service identifier : 02
  • CMC ID : EURAMET-QM-IT-000000N6-1
     
Sound measuring instruments , Sound pressure response level : 90 dB (reference: 20 µPa) to 115 dB (reference: 20 µPa)
Sound level meter
Absolute expanded uncertainty : 0.15 dB
Pistonphone or pressure comparison
Frequency : 250 Hz, 1000 Hz
Approved on 27 December 2007
CMC ID : EURAMET-AUV-IT-000005ED-1
 
Measurement microphones , Pressure sensitivity level
Laboratory standard microphone type LS1
Absolute expanded uncertainty : 8.0E-2 dB
Pressure reciprocity IEC 61094-2:1992
Frequency : 10 kHz
Approved on 27 December 2007
CMC ID : EURAMET-AUV-IT-000005DV-1
 
Linear vibration , Voltage sensitivity (magnitude)
Acceleration measuring chain
Relative expanded uncertainty : 1.2 %
Comparison, ISO 16063-21
Frequency : 1.25 kHz to 10 kHz
Velocity and displacement can be derived from acceleration
Approved on 27 December 2007
CMC ID : EURAMET-AUV-IT-000005EU-1
 
Measurement microphones , Pressure sensitivity level
Working standard microphone
Absolute expanded uncertainty : 0.3 dB
Pressure comparison
Frequency : 10000 Hz to 12500 Hz
Approved on 27 December 2007
CMC ID : EURAMET-AUV-IT-000005E4-1
 
Spectral properties of materials , Transmittance, diffuse, spectral : 1.00E-3 to 1
Spectrally-neutral material
Relative expanded uncertainty : 5.2 % to 1.2 %
Spectrophotometer
Wavelength : 380 nm to 780 nm
Bandwidth : 2 nm
Specific measurement conditions : 0° incidence, diffuse plus regular
Approved on 21 October 2001
CMC ID : EURAMET-PR-IT-00000BY4-1
 
Spectral properties of materials , Transmittance, regular, spectral : 0.1 to 1
Spectrally-neutral material
Relative expanded uncertainty : 1.5 % to 0.6 %
Direct / cascading
Wavelength : 380 nm to 780 nm
Bandwidth : 2 nm
Approved on 21 October 2001
CMC ID : EURAMET-PR-IT-00000BXV-1
 
Photometry , Luminance : 1 cd/m2 to 1000 cd/m2
Tungsten-based source
Relative expanded uncertainty : 1.2 %
Integrating sphere source
Correlated colour temperature : 2800 K to 2900 K
Approved on 21 October 2001
CMC ID : EURAMET-PR-IT-00000BXY-1
 
Properties of detectors , Responsivity, spectral, irradiance
Broad band detector
Relative expanded uncertainty : 2.1 %
Comparison with spectral responsivity standards double grating monochromator
Wavelength : 600 nm to 800 nm
Bandwidth : 1 nm
Power level : 0.01 µW to 10 µW
Approved on 21 October 2001
CMC ID : EURAMET-PR-IT-00000BY3-1
 
Properties of detectors , Responsivity, spectral, power
Broadband detector
Relative expanded uncertainty : 2 %
Double grating monochromator
Wavelength : 600 nm to 800 nm
Power level : 0.01 µW to 10 µW
Bandwidth : 1 nm
Approved on 21 October 2001
CMC ID : EURAMET-PR-IT-00000BXU-1
 
Items for disseminating ITS-90 and PLTS 2000 , Temperature : -90 °C to 0 °C
Liquid-in-glass thermometer
Absolute expanded uncertainty
0.02 + 1/2 graduation

The uncertainty is expressed in °C

Comparison
Stirred liquid bath : ethanol
Approved on 21 October 2001
Institute service identifier : INRIM/T/05/01
CMC ID : EURAMET-T-IT-00000C6T-1
 

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