CEI EN 61672-3 : 2014

FOREWORD
1 Scope
2 Normative references
3 Submission for testing
4 Conformance
5 Preliminary inspection
6 Power supply
7 Environmental conditions
8 General test requirements
9 Sound calibrator
10 Indication at the calibration
   check frequency
11 Self-generated noise
12 Acoustical signal tests of
   a frequency weighting
13 Electrical signal tests of
   frequency weightings
14 Frequency and time
   weightings at 1 kHz
15 Long-term stability
16 Level linearity on the
   reference level range
17 Level linearity including
   the level range control
18 Toneburst response
19 C-weighted peak sound
   level
20 Overload indication
21 High-level stability
22 Documentation
Annex ZA (normative) - Normative
         references to international
         publications with their
         corresponding European
         publications

Describes periodic testing of time-weighting, integrating-averaging, and integrating sound level meters that were designed to conform to the class 1 or class 2 specifications of the second edition of IEC 61672-1.