Peak ）Measurement - Kanomax 4431 Instruction Manual

Peak sound pressure level (L
The peak sound pressure level is peak sound pressure level of the sound wave before
smoothed with the time weighting characteristics.
L is peak sound level for Z characteristics.
peak
①Frequency
weighting key
(A･C, Z)
⑤Measuring
＜ ＜ ＜ ＜ Parameter setting ＞ ＞ ＞ ＞
Measurement is mede according to the following procedure
① Frequency weighting key ：Z
② Display mode key
③ Time weighting key
④ Range key
【Method of selecting [Range] key】
⑤ Measurement time key
⑥
＜ ＜ ＜ ＜ Display ＞ ＞ ＞ ＞
Measuring time
Rec:Blinks during
recording
Stp: Holding state
peak
time key
②Display
mode key
Press [Range] key, and choose by cursor keys▲▼, and press [Range] key
again to register.
and＊＊＊(input to the [Start/Stop] key)
１０ｍ ｍ ｍ ｍ ０００ １０ １０ １０ ０００ ０００ｈ ｈ ｈ ｈ ００ ０００ ００ ００ ００ｍ ｍ ｍ ｍ ０５
63.5 dB 63.5 dB
63.5 dB 63.5 dB
40 40 40 40
Stp Stp Stp Stp Z Z Z Z Fast Peak Fast Peak Fast Peak Fast Peak
) measurment
：Peak
：F, S or Imp
：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、24 h
０５ｓ ｓ ｓ ｓ ０５ ０５
130 130
130 130
Display mode
Peak
Time weighting：Fast, Slow, Imp
Frequency weighting ：Ｚ
36
③Time weighting
key
(F:Fast, S:Slow,
Imp: I mpulse)
④[Range] key