Registration number (WIID)Project No.TitleStatus
49164LVS EN 60942:1998/A1:2001Electroacoustics - Sound calibratorsAtcelts
56707LVS EN 60942:2002Electroacoustics - Sound calibratorsAtcelts
42183LVS EN 60942:2003Electroacoustics - Sound calibratorsAtcelts
49915LVS EN 61012:2002Filters for the measurement of audible sound in the presence of ultrasoundStandarts spēkā
50413LVS EN 61027:2002Instruments for the measurement of aural acoustic impedance/admittanceAtcelts
50092LVS EN 61043:2002Electroacoustics - Instruments for the measurement of sound intensity - Measurement with pairs of pressure sensing microphonesStandarts spēkā
53779LVS EN 61094-1:1994Measurement microphones - Part 1: Specifications for laboratory standard microphonesAtcelts
45008LVS EN 61094-1:2002Measurement microphones - Part 1: Specifications for laboratory standard microphonesStandarts spēkā
47873LVS EN 61094-2:2002Measurement microfones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity techniqueAtcelts
46131LVS EN 61094-2:2009Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique (IEC 61094:2009)Standarts spēkā
Displaying 181-190 of 278 results.