
CEL-63x Environmental & Occupational Noise Meter
42 Casella CEL
Meter Mode
The Meter Mode option allows you to set whether the CEL-63x
instrument displays measurements octave or ⅓-octave frequency
bands.
Table 2 below lists the octave and ⅓-octave centre frequencies,
and the upper and lower frequencies of each band.
Table 2. Octave band frequencies
Lower
cutoff
frequency
(Hz)
Upper
cutoff
frequency
(Hz)
Lower
cutoff
frequency
(Hz)
Upper
cutoff
frequency
(Hz)
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