Single Event Sound Exposure Level（L; A /L C ）：Frequency Weighting Key A,C; Ae ）Measurement - Kanomax 4431 Instruction Manual

Single event sound exposure level（ （ （ （ L
①Frequency
weighting key
(A･C, Z)
⑤Measuring
time key
②Display
mode key
＜ ＜ ＜ ＜ Parameter setting ＞ ＞ ＞ ＞
1） The key operation is similar to the measurement of A-weighted sound pressure level
(L ) except that it needs [Start/Stop] key input for starting the measurement
A
(automatic calculation).
2）To display measurements of L
①Frequency weighting key ：A
②Display mode key
③Time weighting key
④[Range] key
【Method of selecting [Range] key】
Press [Range] key, and choose by cursor keys ▲▼, and press [Range] key
again to register.
⑤Measurement time key
＜ ＜ ＜ ＜ Display ＞ ＞ ＞ ＞
Measuring time
Rec:Blinks during
recording
Stp: Holding state
・The measurement is similar to the equivalent continuous A-weighted sound pressure level
(L ).
Aeq
AE
, input ON to "LAE" beforehand by the Menu item.
E
：L
E
：Any of F, S or Imp (doesn't influence the measurement.)
：Select a range where the bar graph indicates
approximately 2/3 of the full scale.
：1s、3s、5s、10s、1m、5m、10m、15m、30m、1h、8h、24ｈ
and ＊＊＊(to the [Start/Stop] key)
1s 1s 1s 1s ０００ｈ ｈ ｈ ｈ ００ ０００ ０００ ０００ ００ ００ｍ ｍ ｍ ｍ ００ ００ ００ｓ ｓ ｓ ｓ ００ ００
63.5 dB 63.5 dB
63.5 dB 63.5 dB
40 40 40 40 130 130
130 130
Stp Stp Stp Stp A A A A Fast L Fast L Fast L Fast L
Frequency weighting ：A
33
） ） ） ） measurement
2) [Menu] key
③Time weighting
key
(F:Fast, S:Slow,
Imp: I mpulse)
④[Range] key
Display mode
E E E E
L
E
Time weighting：Any of F, S or Imp (doesn't
influence the measurement.)
＜ ＜ ＜ ＜ Menu＞ ＞ ＞ ＞
<View Mode>
Lp ：INST
(A)View LA05：OFF
LAeq ：OFF LA10：OFF
L L L L A A A A E E E E ： ： ： ： ON ON LA50：OFF
ON ON
LAmin ：OFF LA90：OFF
LAmax ：OFF LA95：OFF
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