Registration number (WIID)Project No.TitleStatus
77105prEN IEC 60645-7:2024Electroacoustics - Audiometric equipment - Part 7: Instruments for the measurement of auditory evoked potentialsAptauja slēgta
75072prEN IEC 61094-9:2025Electroacoustics - Measurement microphones - Part 9: Specifications for transfer standard microphonesAptauja
56438LVS HD 304 S1:1977Dimensions of plugs for hearing aidsAtcelts
55153LVS HD 450.7 S1:1985Hearing aids - Part 7: Measurement of performance characteristics of hearing aids for quality inspection for delivery purposesAtcelts
45219LVS HD 450.6 S1:1986Hearing aids - Part 6: Characteristics of electrical input circuits for hearing aidsAtcelts
44097LVS HD 178 S1:1977Methods for specifying the characteristics of electromechanical transducers for shock and vibration measurementsAtcelts
50650LVS EN 60645-3:1995Audiometers - Part 3: Audiotry test signals of short duration for audiometric and neurootological purposesAtcelts
44353LVS HD 450.0 S1:1984Hearing aids - Part 0: Measurement of electroacoustical characteristicsAtcelts
57749LVS HD 499 S1:1990Integrating-averaging sound level metersAtcelts
43099LVS EN 60645-1:1994Audiometers - Part 1: Pure-tone audiometersAtcelts
Displaying 81-90 of 278 results.