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30
Equivalent continuous sound pressure level (L
Aeq
) measurement
<
Parameter setting
>
1
)
The key operation is similar to the measurement of A-weighted sound pressure level (L
A
)
except that it needs [Start/Stop] key input for starting the measurement
(automatic calculation).
2
)
To display the value L
eq
, keep the "LAeq” key ON in advance in the <View Mode> 3/3
screen.
①
Frequency weighting key
:
A,C or Z
②
Display mode key
:
L
eq
③
Time weighting key
:
F or S (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.
⑤
Measuring time key
:
1s, 3s, 5s, 10s, 1m, 5m, 10m, 15m, 30m, 1h, 8h, 24h
and
***
(until the [Start/Stop] key pushed again)
3) The measurement starts with [Start/Stop] key.
<
Display
>
・
Measurement starts with [Start/Stop] key pushed, and ends up automatically at the Measuring
time. Digital display indicates the halfway result at the current point of time. ( Display “ Rec
“ blinks while the measurement.)
・
When Interval is set to Repeat in <Memory> 2/3 screen, the measurement is repeated in every
Measuring time. (This is used when continuous measurement is needed.)
・
By pushing [Start/Stop] key in course of the measurement, calculation is done using the data
so far.
・
By pushing [Pause] key in course of the measurement, the calculation can be done without
using the data in the latest 3 or 5 seconds.
※
This function can be set in the Data delete in the <System> 1/3 screen.
・
When
***
is selected, the final data is calculated and displayed only when [Start/Stop] key
is pushed or 199 hours have gone through.
・
All the keys do not respond during the measurement : [Start/Stop], [Mode], [Light]
1s 000h00m00s
63.5 dB
40
130
Stp
A Fast Leq
Time weighting
:
Any of F, S or Imp (doesn't
influence the measurement.)
Frequency weighting
:
A,C or Z
Display mode
Leq
Measuring
time
Rec:Blinking during
recording
Stp: Holding state
<
Menu
>
②
Display
mode key
④
[Range] key
③
Time weighting
key
(
F:Fast, S:Slow)
⑤
Measuring
time key
2)[Menu] key
①
Frequency
weighting key
(A
・
C, Z)
<View Mode> 3/3
Lp :INST
(A)view LA05:OFF
LAeq :ON LA10:OFF
LAE :OFF LA50:OFF
LAmin
:OFF LA90:OFF
LAmax :OFF LA95:OFF
Содержание 6236
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Страница 72: ...Sound Level Meter TYPE 6236 Instruction guide ACO Co Ltd...
Страница 92: ...Sound Level Meter TYPE 6236 Instruction Manual for Data Management Software NA 0038M ACO Co Ltd...
Страница 151: ...60 1 3 Octave Real time Analysis measurement data Logging Panel Normal Panel Extension Panel...