as of 09.11.2025
27	Projects controlled by TC 1.2
1:	proposal projects
	actualisation project number subject  x  21.06.2026 609/UA/13 The key comparison of the measurement standards of the pressure unit in air in the frequency range from 2 Hz to 10 kHz
6:	agreed projects
	actualisation project number subject  x  06.09.2025 561/RU-a/12 Pilot comparison of hydrophone calibrations in the frequency range from 3 kHz to 200 kHz 28.08.2025 535/UA-a/11 Comparison of the standards of the unit of power ultrasound in the water in the frequency range from 2 to 15 MHz 10.11.2025 531/RU-a/11 Comparisons of free-field hydrophone calibrations in a lab water tank at low sound frequencies (from 250 Hz to 8 kHz) 07.05.2026 434/BY-а/08 Comparison of national standards for sound pressure (Pa) in air using calibration of working standard microphones 23.08.2025 308/RU/04 Key Comparison of the National Measurement Standards of the vibration parameters units (in regard to the vibration acceleration) in the frequency range from 20 Hz to 5 kHz 21.04.2026 234/BY/01 Setting up a COOMET Working Group with the purpose to participate in the review of CMC data in the subject field "AUV"
17:	completed projects
	actualisation project number subject  x  18.02.2026 482/BY-a/09 Comparison of measurements of velocity of longitudinal ultrasonic wave propagation in solid media by impulse method. 09.08.2025 431/UА-a/08 The comparison of the measurement standards of the pressure unit in air at low frequency range 01.07.2026 473/RU-а/09 Pilot study of the sound pressure standards in water (for free-field calibration) in the frequency range 250 Hz to 200 kHz. 01.07.2026 405/RU-a/07 Comparisons of the sound pressure standards in water in the low frequency and infrasound range (2 kHz to 4 kHz) 20.06.2026 448/RU/08 Comparison of longitudinal ultrasonic wave propagation velocity in solid media 20.06.2026 226/DE/01 Comparison of calibrations of laboratory standard microphones type LS1P (from 63 Hz to 10 kHz). 17.05.2026 316/UA-a/04 Bilateral comparison by means of calibration of the microphone type LS1P. 09.09.2025 485/UА/10 Organization and conducting the 6th meeting of Technical Committee 1.2 AUV COOMET. 15.04.2026 392/UA/07 The comparison for measurement standards of the pressure unit in air at low frequency range 12.04.2026 323/UA/04 Pressure calibration of the type LS2P microphones 01.03.2026 369/BY/06 Calibration of microphones by insert voltage technique 23.08.2025 337/BY/05 Pressure calibration of microphones type WS1 and WS2 using electrostatic actuator method 22.09.2025 309/UA/04 Organization and conducting the 3-rd session of Technical Committee 1.2 "AUV" 08.04.2026 300/BY/04 Comparison of national standards of sound pressure unit in air 07.12.2025 275/RU/03 Arranging and holding of the 2тв COOMET Technical Committee TC 1.2 "Acoustics, ultrasound, vibration" meeting 02.10.2025 231/BY/01 Arranging and holding the 1st meeting of COOMET correspondents and coordinators in the field of ACOUSTICS and VIBRATION 01.10.2025 49/Ru-а/92 Working out standard testing procedure for vibration measuring transducers.
3:	excluded projects
	actualisation project number subject  x  12.04.2026 324/UA/04 Free field calibration of the type LS2 microphones 06.04.2026 172/RU/99 Comparison of primary national standards of unit of sound pressure in air. 16.04.2026 76/BG/92