Revidiran
Applies to instruments for measurement of A-frequency- weighted sound exposure resulting from steady, intermittent, fluctuating, irregular, or impulsive sound. Specifies acoustical and electrical performance requirements for personal sound exposure meters of one accuracy grade.
POVUČEN
IEC 61252:1993 ED1
99.60
Povlačenje stupilo na snagu
17. 10. 2025.
OBJAVLJEN
IEC 61252:2025 ED2