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6. TECHNICAL SPECIFICATIONS
6.1 Measurement range
Measurement range
Function Lower limit Upper limit Units
t 0000:00:00 1999:59:59 HHHH:MM:SS
E 0 9999999 Pa
2
h
L
At
50 140 dB
L
Ct
60 140 dB
L
Cpeak
70 143 dB
DOSE 0 9999999 %
L
EX,8h
0 999,9 dB
Total Maximum Noise at 20 ºC
Frequency Weighting Total Maximum Noise
A 43 dB
C 53 dB
Margin of frequencies maintained when the frequency response
extends to frequencies below 63 Hz or above 8 kHz
31,5 Hz a 12,5 Khz
6.2 Peak detector - L
peak
function
Onset time constant:
< 75 µs
6.3 Frequency weighting
Frequency weightings available
Function
Weighting
L
peak
C
L
T
A and C
L
t
A and C