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General physics
Ionizing radiation
Chemical material
Chemical Analyte
Geographical location
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, ENEA-INMRI (Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti)
Ionizing radiation
Kerma/rate , Ionisation chamber : 4.00E-8 Gy/s to 4.00E-3 Gy/s
Relative expanded uncertainty 0.9 % to 4.4 %
Calibration against a transfer standard or directly against a free-air chamber
X-ray, 50 kV to 300 kV, CCEMRI 1972, ISO 4037, ISO-IEC 61267
Reference standard : Free-air chamber
Source of traceability : ENEA-INMRI
Approved on 09 April 2025
Institute service identifier : EUR-RAD-ENEA-INMRI-DOS-02
CMC ID : EURAMET-RI-IT-00000Q2L-1
 
Ionizing radiation
Kerma/rate , Ionization chamber : 7.00E-8 Gy/s to 0.01 Gy/s
Relative expanded uncertainty 1.2 % to 3.3 %
Calibration against a transfer standard or directly against a free-air chamber
X-ray, 10 kV to 50 kV, CCEMRI 1972, ISO 4037, ISO-IEC 61267
Reference standard : Free-air chamber
Source of traceability : ENEA-INMRI
Approved on 09 April 2025
Institute service identifier : EUR-RAD-ENEA-INMRI-DOS-01
CMC ID : EURAMET-RI-IT-00000Q2E-1
 
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 µmol/mol Relative expanded uncertainty in %
air or synthetic air carbon dioxide 100 to 1000 0.33 100 to 1000 0.33
  • Mechanism for measurement service delivery : Primary CRM and calibration
  • Approved on 22 July 2024
  • Institute service identifier : QM02b
  • CMC ID : EURAMET-QM-IT-00000PLF-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 µmol/mol Relative expanded uncertainty in %
nitrogen carbon dioxide 100 to 1000 0.33 100 to 1000 0.33
  • Mechanism for measurement service delivery : Primary CRM and calibration
  • Approved on 22 July 2024
  • Institute service identifier : QM02a
  • CMC ID : EURAMET-QM-IT-00000PLD-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
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
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
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 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
     
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
 
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
 
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
 
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
 

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General physics
Acoustics, Ultrasound, Vibration

This metrology area covers the fields of acoustics, ultrasound and vibration.

Electricity and Magnetism

This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.

Length

This metrology area covers the fields of laser frequencies and dimensional metrology.

Mass and related quantities

This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.

Photometry and Radiometry

Thermometry

Time and Frequency

Chemistry and Biology
Chemistry and Biology

This metrology area covers all fields relevant to chemistry and biology.

Ionizing radiation
Ionizing Radiation

This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.