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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)
Belarus, BelGIM (Belarussian State Institute for Metrology)
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 buffer solution 9.107 to 9.297 1.7E-2 to 2.5E-2 9.107 to 9.297 1.7E-2 to 2.5E-2
  • Mechanism for measurement service delivery : COO-QM-BelGIM-2005: Sodium tetraborate decahydrate. Calibration
  • Borate buffer. Temperature range for the service: values given for 15 °C, 25 °C and 37 °C. Uncertainty does not include the uncertainty of Bates-Guggenheim convention
  • Approved on 19 June 2015
  • Institute service identifier : COO-QM-BelGIM-2005
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 6.83 to 6.89 7.0E-3 to 9.0E-3 6.828 to 6.891 7.0E-3 to 9.0E-3
  • Mechanism for measurement service delivery : COO-QM-BelGIM-2004: Disodium hydrogen phosphate + potassium dihydrogen phosphate. Calibration
  • Approved on 06 December 2011
  • Institute service identifier : COO-QM-BelGIM-2004
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 buffer solution 3.998 to 4.022 1.2E-2 to 1.8E-2 3.998 to 4.022 1.2E-2 to 1.8E-2
  • Mechanism for measurement service delivery : Calibration, CRM
  • Phthalate buffer. Temperature range: 15 °C, 25 °C and 37 °C. Uncertainty does not include the uncertainty of Bates-Guggenheim convention.
  • Approved on 27 May 2020
  • Institute service identifier : COO-QM-BelGIM-2006
Matrix or material Dissemination range of measurement capability Range of certified values in reference materials
Electrolytic conductivity in S/m Absolute expanded uncertainty in S/m Electrolytic conductivity in S/m Absolute expanded uncertainty in S/m
aqueous solution 0.1 to 1.3 9.5E-4 0.1 to 1.3 9.5E-4
  • Mechanism for measurement service delivery : Calibration, CRM
  • Aqueous solution of KCl. Data is given for 25 °C, secondary cell
  • Approved on 27 May 2020
  • Institute service identifier : COO-QM-BelGIM-2005
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in cmol/mol Relative expanded uncertainty in % Amount-of-substance fraction in cmol/mol Relative expanded uncertainty in %
mixture of liquefied hydrocarbons butene-1 1 to 5 1.3 1 to 5 1.3
mixture of liquefied hydrocarbons ethane 0.5 to 5 2 0.5 to 5 2
mixture of liquefied hydrocarbons iso-butane 1 to 25 1 1 to 25 1
mixture of liquefied hydrocarbons iso-pentane 0.5 to 2 2 0.5 to 2 2
mixture of liquefied hydrocarbons n-butane 5 to 40 0.6 5 to 40 0.6
mixture of liquefied hydrocarbons propane 30 to 90 0.4 30 to 90 0.4
mixture of liquefied hydrocarbons propene 5 to 43 0.7 5 to 43 0.7
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of LPG mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1010
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 Relative expanded uncertainty in % Amount-of-substance fraction in mmol/mol Relative expanded uncertainty in %
methane carbon dioxide 10 to 50 0.4 10 to 50 0.4
methane ethane 70 to 150 0.4 70 to 150 0.4
methane isobutane 5 to 12 0.5 5 to 12 0.5
methane n-butane 5 to 12 0.5 5 to 12 0.5
methane nitrogen 50 to 100 0.3 50 to 100 0.3
methane propane 10 to 50 0.4 10 to 50 0.4
  • Mechanism for measurement service delivery : PRM and calibration
  • Approved on 19 June 2014
  • Institute service identifier : COO-QM-BelGIM-1003
Matrix or material Analyte or component Dissemination range of measurement capability Range of certified values in reference materials
Amount-of-substance fraction in mol/mol Relative expanded uncertainty in % Amount-of-substance fraction in mol/mol Relative expanded uncertainty in %
nitrogen carbon dioxide 0.04 to 0.16 0.5 to 0.4 0.04 to 0.16 0.5 to 0.4
nitrogen carbon monoxide 5.00E-3 to 0.05 1 to 0.5 5.00E-3 to 0.05 1 to 0.5
nitrogen propane 1.00E-4 to 3.00E-3 1 to 0.3 1.00E-4 to 3.00E-3 1 to 0.3
  • Mechanism for measurement service delivery : PRM and calibration
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1001
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 monoxide 10 to 2000 1.2 10 to 2000 1.2
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1007
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 Absolute expanded uncertainty in µmol/mol Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol
synthetic air carbon monoxide 1 to 10 0.12 1 to 10 0.12
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1008
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 Absolute expanded uncertainty in µmol/mol Amount-of-substance fraction in µmol/mol Absolute expanded uncertainty in µmol/mol
nitrogen carbon monoxide 1 to 10 0.12 1 to 10 0.12
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1011
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 nitrogen monoxide 30 to 4000 1 30 to 4000 1
  • Mechanism for measurement service delivery : PRM and calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 19 June 2014
  • Institute service identifier : COO-QM-BelGIM-1004
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 or synthetic air propane 10 to 1.00E4 0.8 10 to 1.00E4 0.8
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1009
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 or synthetic air sulfur dioxide 10 to 1.00E5 1.5 10 to 1.00E5 1.5
  • Mechanism for measurement service delivery : PRM plus calibration
  • Calibration service involves calibration of gas mixtures of known composition against primary standards on regular basis
  • Approved on 29 May 2020
  • Institute service identifier : COO-QM-BelGIM-1005
Items for disseminating ITS-90 and PLTS 2000 , Temperature : 20 °C to 80 °C
Digital thermometer IPRT
Absolute expanded uncertainty : 1.0E-2 °C
Comparison
Temperature controlled bath : water
Approved on 06 September 2013
Institute service identifier : COO-T-BelGIM-1049
Fibre optics , Responsivity
Fibre optic power meter
Relative expanded uncertainty : 0.4 %
Reference fibre optic power meter. Measurand unit
Wavelengths : 1550 nm
Bandwidth : 3 nm
Power level : 0.3 mW to 1 mW
Approved on 01 April 2016
Institute service identifier : COO-PR-BELGIM-7102
Measurement microphones , Electrostatic actuator response
Measurement microphone type WS1
Absolute expanded uncertainty : 0.35 dB
IEC 61094-5:2001 (on 250 Hz), and IEC 61094-6:2004
Frequency : 2.5 kHz to 4 kHz
Approved on 26 January 2015
Institute service identifier : COO-AUV-BelGIM-1103
Measurement microphones , Electrostatic actuator response
Measurement microphone type WS2
Absolute expanded uncertainty : 0.3 dB
IEC 61094-5:2001 (on 250 Hz), and IEC 61094-6:2004
Frequency : 5 kHz to 8 kHz
Approved on 26 January 2015
Institute service identifier : COO-AUV-BelGIM-1104
AC power , AC power and energy: three phase, active power : 0 kW to 76.8 kW
Power and energy meter, power converter, wattmeter,power comparator
Relative expanded uncertainty : 1.8E2 µW (VA)-1 to 2.0E2 µW (VA)-1
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For voltages from 30 V to 480 V
Direct comparison
Frequency : 15 Hz to 70 Hz
Voltage : 30 V to 480 V
Current : 0.005 A to 160 A
Phase shift : -180 ° to 180 °
Approved on 15 March 2016
Institute service identifier : COO-EM-BELGIM 7002
Impedance (up to the MHz range) , Capacitance for dielectric capacitors : 100 µF to 1000 µF
Fixed capacitor, capacitance box
Relative expanded uncertainty : 4.5E2 µF/F
Direct reading with LCR-metre
Frequency : 100 Hz
Temperature : 20 °C
Approved on 20 December 2013
Institute service identifier : COO-EM-BELGIM 4007
High voltage and current , High AC voltage: ratio: phase displacement : 0 rad to 3.00E-3 rad
High voltage transformer
Absolute expanded uncertainty : 2.3E-4 rad
Comparison with reference standard
Frequency : 50 Hz
Voltage ratio : 6 kV/100 V
Approved on 20 December 2013
Institute service identifier : COO-EM-BELGIM 8004

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