Ceq ）Measurement - Kanomax 4431 Instruction Manual

C-weighted equivalent continuous sound pressure level (L
Lceq is C-weighted equivalent continuous sound pressure level.
①Frequency weighting
key (A･C, Z)
⑤Measuring time key
②Display mode key
＜ ＜ ＜ ＜ Parameter setting ＞ ＞ ＞ ＞
Measurement is mede according to the following procedure
① Frequency weighting key ：C
② Display mode key
③ Time weighting key
④ Range key
【Method of selecting [Range] key】
⑤ Measurement time key
The measurement starts with [Start/Stop] key.
＜ ＜ ＜ ＜ Display ＞ ＞ ＞ ＞
Measuring time
Rec:Blinks during
recording
Stp: Holding state
Press [Range] key, and choose by cursor keys▲▼, and press [Range] key
again to register.
１０ｍ ｍ ｍ ｍ ０００ １０ ０００ｈ ｈ ｈ ｈ ００ ００ｍ ｍ ｍ ｍ ０５
１０ １０ ０００ ０００ ００ ００
63.5 dB 63.5 dB
63.5 dB 63.5 dB
40 40 40 40
Stp Stp Stp Stp C C C C Fast Fast Fast Fast
：Leq
：F or S
：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＊＊＊(input to the [Start/Stop] key)
０５ｓ ｓ ｓ ｓ
０５ ０５
130 130 130 130
Display mode
Leq Leq Leq Leq
Leq
Time weighting： F or S
Frequency weighting ：C
38
) measurement
Ceq
③Time weighting
key
(F:Fast, S:Slow,
Imp: I mpulse)
④[Range] key