Casella CEL CEL-63X - Manual (Page 34)

CEL-63x Environmental & Occupational Noise Meter
34 Casella CEL
User settings
The table below lists the functions that you can change in a user-defined
measurement view. This table also shows the range of each setting. Refer to
section 4.4
Measurement views on page 48 for an explanation of the User 1 and
User 2 settings.
Table 1. User settings
User function Range
Average sound pressure level
(L
Avg
) threshold
0 dB or 70 dB to 90 dB
Sound field response Freefield Random
Octave weighting A, C or Z.
Octave time constant F (fast), S (slow)
Sound pressure level (SPL) L
AF
L
CF
L
ZF
L
AS
L
CS
L
ZS
L
AI
L
CI
L
ZI
Equivalent continuous sound
pressure level L
eq
L
Aeq
L
Ceq
L
Zeq
L
AIeq
L
C
– L
A
L
AeqT80
Maximum and minimum
sound pressure level
L
AFmax
L
CFmax
L
ZFmax
L
ASmax
L
CSmax
L
ZSmax
L
AImax
L
CImax
L
ZImax
L
AFmin
L
CFmin
L
ZFmin
L
ASmin
L
CSmin
L
ZSmin
L
AImin
L
CImin
L
ZImin
Peak sound pressure level L
Apk
L
Cpk
L
Zpk
Average sound pressure level
with exchange rate Q
L
Avg(Q4)
L
Avg(Q5)
Other measurements (refer to
Measurement views on page
48)
L
AF(Tm3)
L
AF(Tm5)
L
AE
L
AI(Tm3)
L
AI(Tm5)
Statistical functions (L
n
) L
10
L
50
L
90
L
95
L
n
variable
Environmental indices LDN LDEN CNEL