Instruction manual

141
Specifications
Reference range
50 to 110 dB (Sound level meter mode), 40 to 110 dB (frequency analysis mode)
Max. measurement level
140 dB rms, 133 dB at c.f. 3, 143 dB peak for peak hold
Noise Floor
Typical 17 dB (A) rms, max. 20 dB (A) rms
A weighting: Less than 20 dB
C weighting: Less than 25 dB
Flat: Less than 30 dB
Frequency range
20 to 12500 Hz (including microphone)
10 to 20000 Hz (amplifier only)
Frequency analysis range
1/1-octave analysis: 16 to 8000 Hz
1/3-octave analysis: 12.5 to 12500 Hz
Frequency weighting
A, C, Flat
RMS detection
Digital true rms detection
Time weighting
Main channel: Fast, Slow, 35 ms, 10 ms
Sub channel: Fast, Slow, 35 ms, 10 ms, Impulse, Peak Hold
Level range
Sound level meter mode (display range 60 dB)
80 to 140 dB
70 to 130 dB
60 to 120 dB
50 to 110 dB
40 to 100 dB
30 to 90 dB
20 to 80 dB