Results for: Czech Metrology Institute
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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)
Czechia, CHMU/CHMI (Czech Hydrometeorological Institute)
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
air benzene 0.5 to 1.7 0.1 to 0.2
air toluene 0.5 to 1.7 0.1 to 0.2
air xylene 0.5 to 1.7 0.1 to 0.2
  • Mechanism for measurement service delivery : Calibration
  • Approved on 01 March 2005
  • Institute service identifier : 2284-005
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 % Amount-of-substance fraction in Absolute expanded uncertainty in
air benzene 1.7 to 50 1.2E1 to 1.1E1
air toluene 1.7 to 50 1.2E1 to 1.1E1
air xylene 1.7 to 50 1.2E1 to 1.1E1
  • Mechanism for measurement service delivery : Calibration
  • Approved on 01 March 2005
  • Institute service identifier : 2284-005
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
air, nitrogen nitrogen monoxide 10 to 60 7.7
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-002
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
air, nitrogen nitrogen monoxide 60 to 500 7.7 to 8
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-002
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
  • Uncertainty equation CMC : Q[1.1, 0.022 x(O3)]

    The uncertainty is expressed in nmol/mol

  • Mechanism for measurement service delivery : Calibration
  • The notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
  • Approved on 08 July 2015
  • Institute service identifier : 2284-004
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
air sulphur dioxide 60 to 500 4.6 to 9
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-001
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
air sulphur dioxide 10 to 60 4.6
  • Mechanism for measurement service delivery : Calibration
  • Approved on 22 October 2020
  • Institute service identifier : 2284-001
Czechia, CMI (Czech Metrology Institute)
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 1.50E-3 to 0.015 1.7 to 0.23 5.00E-3 to 0.015 1.7 to 0.23
  • Mechanism for measurement service delivery : Calibration and CMI CRM k43-k45: aqueous solution of KCl
  • Temperature range 15 °C to 30 °C
  • Approved on 28 June 2018
  • Institute service identifier : 6016 kon1
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 0.015 to 0.15 0.62 to 0.19 0.015 to 0.15 0.64 to 0.19
  • Mechanism for measurement service delivery : Calibration and CRM: aqueous solution of KCl
  • Temperature range 15 °C to 30 °C
  • Approved on 08 July 2015
  • Institute service identifier : 6016 kon2
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 9.8 to 10.2 4.0E-3 9.8 to 10.2 7.0E-3
  • Mechanism for measurement service delivery : CMI CRM p110
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 06 December 2011
  • Institute service identifier : 6016 pH2
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 8.5 to 9.5 4.0E-3 8.5 to 9.5 7.0E-3
  • Mechanism for measurement service delivery : CMI CRM p190
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 28 June 2018
  • Institute service identifier : 6016 pH4
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 3.8 to 4.2 7.0E-3 3.8 to 4.2 8.0E-3
  • Mechanism for measurement service delivery : CMI CRM p140
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 28 June 2018
  • Institute service identifier : 6016 pH2
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 1.5 to 1.9 5.0E-3 1.5 to 1.9 7.0E-3
  • Mechanism for measurement service delivery : CMI CRM p120
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 06 December 2011
  • Institute service identifier : 6016 pH1
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 9 to 9.4 4.0E-3 9 to 9.4 7.0E-3
  • Mechanism for measurement service delivery : CMI CRM p190
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 08 July 2015
  • Institute service identifier : 6016 pH2
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Relative expanded uncertainty in % Electrolytic conductivity in S/m Relative expanded uncertainty in %
aqueous solution 0.15 to 1.5 0.1 0.15 to 1.5 0.1
  • Mechanism for measurement service delivery : Calibration and CMI CRM k33-k37: aqueous solution of KCl
  • Temperature range 15 °C to 30 °C
  • Approved on 28 June 2018
  • Institute service identifier : 6016 kon3
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
pH in Absolute expanded uncertainty in pH in Absolute expanded uncertainty in
aqueous pH buffer solution 6.8 to 7.5 4.0E-3 6.8 to 7.5 5.0E-3
  • Mechanism for measurement service delivery : CMI CRM p170
  • Declared uncertainties do not include the uncertainty contribution due to the Bates-Guggenheim convention. Measurement temperature 10 °C to 50 °C, data given for 25 °C
  • Approved on 28 June 2018
  • Institute service identifier : 6016 pH3
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mmol/mol Absolute expanded uncertainty in % Amount-of-substance fraction in Absolute expanded uncertainty in
synthetic natural gas carbon dioxide 5 to 50 0.5
synthetic natural gas ethane 5 to 100 0.5
synthetic natural gas i-butane 0.5 to 10 0.8
  • Mechanism for measurement service delivery : Calibration
  • Approved on 21 October 2001
  • Institute service identifier : 1014
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance content in mol/kg Absolute expanded uncertainty in mol/kg Amount-of-substance content in mol/kg Absolute expanded uncertainty in mol/kg
water Total acid content expressed as hydrochloric acid 0.09 to 0.11 5.3E-6
  • Uncertainty equation CMC :
     
     
  • Mechanism for measurement service delivery : Calibration service.
  • Approved on 11 April 2021
  • Institute service identifier : 616-Coul-0.1
Linear vibration , Voltage sensitivity (magnitude)
Accelerometer
Relative expanded uncertainty : 0.5 %
Laser interferometry, ISO 16063-11
Frequency : 20 Hz to 1 kHz
Approved on 23 March 2001
Photometry , Luminous intensity : 1 cd to 1.00E4 cd
Tungsten lamp
Relative expanded uncertainty : 0.9 % to 0.8 %
Photometric bench and reference lamps or photometer
Correlated colour temperature : 2000 K to 2856 K
Services available also for other sources than tungsten lamps, with uncertainty evaluated for specific sources.
Approved on 20 April 2017

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Acoustics, Ultrasound, Vibration

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