Casella CEL CEL-296 - Manual (Page 59)

Typical noise floor: (measured on Lo range with a CEL-493/2
Sound Level Meter)
Filter Set All pass:
Linear A-weighted
35 dB 16 dB(A)
Third octave bands:
Band Linear A-weighted
6.3 Hz 19.8 dB < 10.5 dB(A)
8 Hz 21.7 dB < 10.5 dB(A)
10 Hz 15.5 dB < 10.5 dB(A)
12.5 Hz 14.5 dB < 10.5 dB(A)
16 Hz 15.5 dB < 10.5 dB(A)
20 Hz 13.3 dB < 10.5 dB(A)
25 Hz 13.3 dB < 10.5 dB(A)
31.5 Hz 12.9 dB < 10.5 dB(A)
40 Hz 12.5 dB < 10.5 dB(A)
50 Hz 12.1 dB < 10.5 dB (A)
63 Hz 11.9 dB < 10.5 dB(A)
80 Hz 11.1 dB < 10.5 dB(A)
100 Hz 10.8 dB < 10.5 dB(A)
125 Hz 10.8 dB < 10.5 dB(A)
160 Hz 10.4 dB < 10.5 dB(A)
200 Hz 10.3 dB < 10.5 dB(A)
250 Hz 10.2 dB < 10.5 dB(A)
315 Hz 10.2 dB < 10.5 dB(A
400 Hz 10.1 dB < 10.5 dB(A)
500 Hz 10.1 dB < 10.5 dB(A)
630 Hz 10.1 dB < 10.5 dB(A)
800 Hz 10.0 dB < 10.5 dB(A)
1 kHz 10.0 dB < 10.5 dB(A)
1.25 kHz 10.0 dB < 10.5 dB(A)
1.6 kHz 10.0 dB < 10.5 dB(A)
2 kHz 10.0 dB < 10.5 dB(A)
2.5 kHz 10.0 dB < 10.5 dB(A)
CEL Instruments Ltd CEL-296/3 Operator Handbook Page 59