ACO 6236 - Amax;L Amin ）Measurement

32
Maximum/Minimum sound pressure Level (L Amax/LAmin) measurement
＜ Parameter setting ＞
1)The key operation is similar to the measurement of A-weighted sound pressure level (L
Aeq
)
2)To display the value L
max
, keep the "LAmax” key ON in advance in the
<View Mode> 3/3
( similar in L
min
measurement.)
①Frequency weighting key ：A,C or Z
②Display mode key ：L
max
or L
min
③Time weighting key ：Fast or Slow (Imp)
④[Range] key ：Select a range where the bar graph indicates
approximately 2/3 of the full scale.
【Method of selecting
[Range]
key】
Press
[Range]
key, and choose by cursor keys▲▼, and press
[Range]
key
again to register.
⑤Measuring time key ：1s, 3s, 5s, 10s，1m，5m，10m，15m、30m，1h, 8h, 24h
and ＊＊＊(to the
[Start/Stop]
key)
3) The measurement starts with
[Start/Stop]
key.
＜ Display ＞
＜Menu＞
1s ０００ｈ００ｍ００ｓ
63.5 dB
40 130
Stp A Fast Lmax
Time weighting：Fast, Slow
Frequency weighting ：A,C or Z
Display mode
L
max
or L
min
Measuring
time
Rec:Blinks during
recording
Stp: Holding state
②Display
mode key
④
[Range]
key
③Time weighting
key
(
F
:Fast,
S
:Slow)
⑤Measuring
time key
2)
[Menu]
key
①Frequency
weighting key
(A･C, Z)
<View Mode> 3/3
Lp ：INST
(A)view LA05：OFF
LAeq ：OFF LA10：OFF
LAE ：OFF LA50：OFF
LAmin ：ON
LA90：OFF
LAmax ：ON
LA95：OFF