
ELECTROACOUSTICS - SOUND CALIBRATORS
出版:International Electrotechnical Committee

專(zhuān)家解讀視頻
Describes the performance requirements for three classes of sound calibrator: class LS (Laboratory Standard), class 1 and class 2.
PN-EN IEC 60942:2018-06 - Identical
UNE-EN IEC 60942:2019 - Identical
CEI EN IEC 60942 : 2018 - Identical
IS 15059 : 2018 - Identical
IS 15059 : 2018 - Identical
CEI EN IEC 60942 : 2018 - Identical