CESVA DC112 - Page 44

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F) OVERLOAD INDICATOR
With a pulse of 140 dB the overload indicator should not appear. It should appear with a
pulse of 143 dB.
G) SOUND EXPOSURE
The indication should vary according to the following table:
SIGNAL LEVEL
(dB)
DURATION OF
MEASUREMENT
EXPECTED SOUND
EXPOSURE
(Pa
2
h)
TOLERANCE
(%)
94 1” 0,000279
- 21; +26
94 10” 0,002791
- 21; +26
94 1’ 0,016746
- 21; +26
120 1” 0,111111
- 21; +26
120 10” 1,111111
- 21; +26
120 1’ 6,666667
- 21; +26
140 1” 11,11111
- 21; +26
140 10” 111,1111
- 21; +26
140 1’ 666,6667
- 21; +26