ANSI S1.4a-1985
Sound Level Meters, Specification for (Amendment to ANSI S1.4-1983)

Standard No.

ANSI S1.4a-1985

Release Date

1985

Published By

American National Standards Institute （ANSI)

Latest

ANSI S1.4a-1985

Scope

The intent of this amendment is: (a) to specify the electrical design goal for the relative response characteristics of the A-weighted frequency response up to 100kHz and (b) to specify type 0 and type 1 tolerance limits on relative electrical response f

ANSI S1.4a-1985 history

• 1985 ANSI S1.4a-1985 Sound Level Meters, Specification for (Amendment to ANSI S1.4-1983)