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COOMET ProgramCOOMET
P2/2024
COOMET PROGRAM OF COMPARISONS
Approved at the 36th COOMET Presidential Council meeting (6 February 2024)as of
20.06.2024
Total
79projects. from 06.02.2024: 1 - proposed; 3 - agreed; 2 - completed; 2 - excluded;
AUV - Acoustics, Ultrasound and Vibrations
3projects. from 06.02.2024: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
27.10.2023 895/TR/23 Proposed Supplementary comparison on calibration of microphones Supplementary  
13.12.2021 790/TR-a/19 Agreed Supplementary comparison on calibration of sound calibrators supplementary
COOMET.AUV.A-S4
 
02.07.2019 757/RU-a/18 Agreed Supplementary comparison of national standards of the sound pressure unit in air through determines the pressure sensitivity level of WS2 type working standard microphones in the low frequency range supplementary
COOMET.AUV.A-S3
 
EM - Electricity And Magnetism
10projects. from 06.02.2024: 1 - proposed; 1 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
28.05.2024 903/BY/24 Proposed Comparison of voltage standards by means of the transportable Josephson voltage standard of VNIIM Supplementary  
21.04.2022 859/TR/22 Proposed Supplementary comparison of high current transformer measuring systems supplementary  
13.01.2020 799/UA/20 Proposed Supplementary comparisons of electric field strength measurements supplementary  
13.06.2024 874/RU-a/23 Agreed Supplementary comparisons of standards of electrostatic field strength unit Supplementary  
06.11.2023 855/RU-a/22 Agreed Pilot comparisons in the field of high DC current measurements pilot  
21.05.2021 821/RU-a/20 Agreed Pilot comparisons of DC high voltage reference measuring systems in the voltage range of ± (1-100) kV pilot  
07.02.2022 813/RU-a/20 Agreed Supplementary comparison of measuring current transformers (CTs) supplementary
COOMET.EM-S25
 
03.12.2020 802/UZ-a/20 Agreed Pilot comparisons in the field of measuring DC and AC voltage and current, electrical resistance pilot  
07.06.2016 681/RU-a/16 Agreed Supplementary comparison of the measurement of current transformers (CTs) supplementary
COOMET.EM-S22
 
12.05.2015 624/GE-a/13 Agreed Comparison of electrical resistance standards at 100 Ω and 100 kΩ supplementary
COOMET.EM-S19
 
L - Length
13projects. from 06.02.2024: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
23.09.2020 820/KZ/20 Proposed Comparison of interference devices for measuring tapes up to 20 m supplementary  
18.08.2020 810/RU-a/20 Agreed Supplementary comparisons of measurement standards of involute gears using a complex standard supplementary
COOMET.L-S30
 
13.01.2020 800/BY/20 Agreed Calibration of lengths of reference linear geodetic base lines supplementary
COOMET.L-S32
 
16.07.2020 776/RU-a/19 Agreed Supplementary comparisons of measurement standards in the field of measurement of 3D parameters of surface texture supplementary
COOMET.L-S28
 
25.08.2020 746/BY-a/18 Agreed Calibration of gauge blocks by interference method. supplementary
COOMET.L-S29
 
11.08.2020 742/UA-a/18 Agreed The comparison of length standards for measuring end measures in the range up from 0,5 mm to 100 mm. supplementary
COOMET.L-S27
 
11.08.2020 705/UA-a/16 Agreed Measurement of one-dimensional standard for coordinate measuring machines. supplementary
COOMET.L-S26
 
01.12.2020 690/RU-a/16 Agreed Comparisons of internal and external diameter gauges key
COOMET.L-K4.2021
 
12.03.2019 674/UA-a/15 Agreed Comparison of standards nanometer range supplementary
COOMET.L-S25
 
22.10.2020 612/BY-a/13 Agreed Calibration of a 200 mm linear glass scale supplementary
COOMET.L-S31
 
11.08.2020 591/UA-a/12 Agreed Comparisons of precise navigation systems GPS/GLONASS. supplementary
COOMET.L-S24
 
27.08.2020 590/UA-a/12 Agreed Comparison of precision rangefinders. supplementary
COOMET.L-S23
 
19.11.2021 524/UA-a/11 Agreed Key comparison of the national standards unit of the plane angle key
COOMET.L-K3
 
M - Mass And Related Quantities
14projects. from 06.02.2024: 0 - proposed; 1 - agreed; 1 - completed; 2 - excluded;
actualisation project number state subject type of comparison  x 
23.05.2024 892/RU-a/23 Agreed Supplementary comparisons in the field of mass measurements in the range from 1 mg to 5 kg supplementary  
16.06.2023 822/GE-a/20 Agreed Pilot comparisons in the small volumes pilot  
14.04.2022 789/KZ-a/19 Agreed Pilot comparisons of fluid density in the range of from 600 to 1000 kg/m3 pilot  
14.04.2022 788/KZ-a/19 Agreed Pilot comparisons of the unit kinematic viscosity of a liquid at temperatures:
20 °C (250-400 mm2/s), 25 °C (50-100 mm2/s), 40 °C (20-70 mm2/s)
pilot  
10.11.2020 766/GE-a/18 Agreed Supplementary comparisons in the small volumes supplementary
COOMET.M.FF-S7
 
30.08.2023 764/RU-a/18 Agreed Supplementary comparisons in the field of mass measurements supplementary
COOMET.M.M-S6
 
04.11.2020 717/DE-a/17 Agreed Supplementary comparisons of national standards of the pressure unit in the range from 250 MPa to 1500 MPa supplementary
COOMET.M.P-S3
 
03.06.2019 694/MD-a/16 Agreed Supplementary comparison of mass standards with nominal values of 100 mg, 20 g, 1 kg and 10 kg supplementary
COOMET.M.M-S3
 
21.06.2019 651/RU-a/14 Agreed Supplementary bilateral comparison of national reference instruments for nanoindentation supplementary
COOMET.M.H-S2
 
28.01.2014 589/UA-a/12 Agreed Supplementary comparison of national measurement standards of gauge pressure in the range from 1 MPa to 10 MPa supplementary
COOMET.M.P-S1
 
17.10.2013 259/RU/02 Agreed COOMET comparisons in the field of force measurements supplementary
COOMET.M.F-S1
 
02.05.2024 711/TR-a/16 Agreed Comparison of absolute pressure in the range 0,3 mPa to 0,9 Pa key
COOMET.M.P-K15
 
30.04.2024 546/UA-a/11 Excluded Supplementary comparisons in the field of mass measurements supplementary
COOMET.M.M-S5
 
30.04.2024 665/UA-a/15 Excluded Supplementary bilateral comparison in the field of mass measurements supplementary
COOMET.M.M-S2
 
F - Fluid Flow
3projects. from 06.02.2024: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
13.05.2023 852/RU-a/21 Agreed Supplementary comparisons of national standards in the field of gas flow and volume at gas flow rate from 0.4 to 100 m3/h supplementary  
05.11.2020 760/RU-a/18 Agreed Supplementary comparisons of national standards in the field of liquid flow and mass in the flow range from 0.1 to 45 t/h supplementary
COOMET.M.FF-S10
 
16.11.2018 545/UA-a/11 Agreed Comparisons of complex of static volume measuring devices supplementary
COOMET.M.FF-S6
 
PR - Photometry And Radiometry
10projects. from 06.02.2024: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
07.06.2023 878/RU/23 Proposed Wavelength of spectrally-selective transmitting material, from 250 nm to 2500 nm supplementary  
07.06.2023 877/RU/23 Proposed Spectral transmittance in the wavelength range from 380 nm to 1000 nm key  
16.01.2020 801/BY/20 Proposed Supplementary comparisons of measurement standards for polarization mode dispersion in optical fiber supplementary  
01.06.2021 804/UZ-a/20 Agreed Pilot comparisons of measurement standards of attenuation and average power of a signal in optical fiber pilot  
09.03.2022 785/RU-a/19 Agreed Supplementary comparisons of laser power responsivity at wavelengths of 0,532; 1,064 and 10,6 μm supplementary
COOMET.PR-S12
 
11.07.2019 781/UZ-a/19 Agreed Pilot comparison of spectral regular transmittance from 400 to 1000 nm pilot  
04.02.2020 741/RU-a/18 Agreed Spectral Irradiance, from 250 nm to 2500 nm key
COOMET.PR-K1.a.2018
 
18.11.2021 735/RU-a/17 Agreed Relative reflection density of samples pilot  
14.09.2015 640/BY-a/14 Agreed Comparison of colour, transmitted supplementary
COOMET.PR-S10
 
10.08.2011 429/CU-a/08 Agreed Comparisons of measurement standards of the units of spectral regular transmittance in the (250 to 900) nm wavelength range supplementary
COOMET.PR-S5
 
QM - Amount Of Substance
11projects. from 06.02.2024: 0 - proposed; 0 - agreed; 1 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
06.11.2023 894/RU/23 Proposed Pilot comparisons in the field of measuring low gas permeability of rocks pilot  
22.12.2022 865/RU/22 Proposed Pilot comparisons in the field of sulfur and carbon mass fractions measurements in steel pilot  
23.09.2021 849/RU/21 Proposed Content of metals in blood serum pilot  
24.10.2023 880/RU-a/23 Agreed Pilot comparisons in the field of measuring the nutritional value of milk powder pilot  
24.10.2023 879/RU-a/23 Agreed Pilot comparisons in the field of measuring the nutritional value of chocolate pilot  
19.09.2023 864/RU/22 Proposed Key comparisons "Automotive exhaust gases" key  
25.10.2021 809/RU-a/20 Agreed Pilot comparison in the field of measuring the mass fraction of titanium in pure titanium pilot  
25.10.2021 808/RU-a/20 Agreed Pilot comparison in the field of measuring the mass fraction of nickel in pure nickel pilot  
25.10.2021 807/RU-a/20 Agreed Pilot comparison in the field of measuring the mass fraction of magnesium in pure magnesium pilot  
25.10.2021 806/RU-a/20 Agreed Pilot comparison in the field of measuring the mass fraction of aluminum in pure aluminium pilot  
30.04.2024 775/RU-a/19 completed Pilot comparison on determination of KCl solution electrolytic conductivity at the level of 10 μSm/sm and 25 Sm/m pilot  
RI - Ionizing Radiation
3projects. from 06.02.2024: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
30.03.2007 389/RU/07 Proposed Comparison of the well-type ionization chamber (IC) calibrations factors for the medical radionuclides ("Dosecalibrators"). supplementary  
30.04.2021 833/RU-a/21 Agreed Supplementary comparisons of the national standards of radioactivity supplementary
COOMET.RI(II)-S3
 
14.09.2015 641/BY-a/14 Agreed Comparison of the national standards of air kerma for x-radiation qualities used in radiation protection and diagnostic radiology supplementary
COOMET.RI(I)-S3
 
T - Termometry
9projects. from 06.02.2024: 0 - proposed; 1 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
19.07.2023 890/KZ/23 Proposed Pilot comparisons of digital thermometers pilot  
27.06.2023 885/BY/23 Proposed Pilot comparisons in the field of calibration of glass thermometers pilot  
21.06.2023 882/RU/23 Proposed Comparisons of triple point of water cells pilot  
25.11.2021 851/RU/21 Proposed Supplementary comparisons of measurement standards of dew point temperature supplementary  
23.05.2024 873/RU-a/23 Agreed Comparisons in the field of measuring the combustion energy of pure organic substances pilot  
15.11.2021 826/MD-a/21 Agreed Supplementary comparisons of standards for relative humidity unit supplementary
COOMET.T-S5
 
07.10.2021 787/UZ-a/19 Agreed Pilot comparisons in the area of platinum resistance thermometers calibration pilot  
15.11.2021 771/MD-a/18 Agreed Pilot comparisons in the area of platinum resistance thermometers calibration in fixed points from triple point of mercury (-38.8344 °C) to melting point of gallium (29.7646 °C) pilot  
20.12.2019 704/RU-a/16 Agreed Comparisons of temperature national standards at the triple point of mercury. key
COOMET.T-K9.1
 
TF - Time and Frequency
2projects. from 06.02.2023: 0 - proposed; 0 - agreed; 0 - completed; 0 - excluded;
actualisation project number state subject type of comparison  x 
11.08.2023 883/UZ-a/23 Agreed Bilateral comparisons of the UTC (UME) Türkiye and UTC (UzNIM) Uzbekistan time scales will be carried out using the GNSS Common View Method pilot  
16.11.2021 398/RU-a/07 Agreed Key comparisons of national standards of time and frequency with the Russian UTC (SU) scale key
CCTF-K001.UTC