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Power average value of the maximum sound pressure level in a given
interval (L
Atm5
Power average value of the maximum sound pressure level in a given interval (L
average of the maximum value of A-weighted sound pressure level in successive 5-sec intervals.
It can be measured only when A characteristics is selected in the standard screen.
①Frequency
Weighting
key
④Measurement
(A C, Z)
key
②Display
mode
＜ ＜ ＜ ＜ Parameter setting ＞ ＞ ＞ ＞
Mode: Normal in < System>1/3 screen is changed to Mode:L
Menu screen. The screen for power average of the maximum value appears when the
change is fixed and resisted with [Set] key.
【Method of selecting[Range] key】
Measurement is mede according to the following procedure
① Frequency weighting key ：A
② Display mode key
③ Time weighting key
④ Range key
⑤ Measurement time key
The measurement starts with [Start] key.
＜ ＜ ＜ ＜ Display ＞ ＞ ＞ ＞
１ １ １ １
１０
１０ｍ ｍ ｍ ｍ
１０
１０
０００ｈ ｈ ｈ ｈ ００
０００
０００
０００
００ｍ ｍ ｍ ｍ ００
００
００
－－．－
－－．－
－－．－
－－．－ ｄＢ
40 40 40 40
Stp
Stp
A A A A
Stp
Stp
Press［ ［ ［ ［ Start/Stop Set］ ］ ］ ］ key
１０
１０ｍ ｍ ｍ ｍ
０００ｈ ｈ ｈ ｈ ００
０００
００ｍ ｍ ｍ ｍ ００
１０
１０
０００
０００
００
００
６３． ． ． ． ５ ５ ５ ５
６３
６３
６３
40 40 40 40
Rec
Rec
Rec
Rec
A A A A
↑.
The Rec blinks with [Start/Stop] key input
) measurement
Press [Range] key, and choose by cursor keys▲▼, and press [Range]] key
again to register.
００ｓ ｓ ｓ ｓ
００
００
ｄＢ
ｄＢ
ｄＢ
130
130
130
130
L L L L
Fast
Fast
Fast
Fast
A A A A
Bar: Displays the current instantaneous level.
L
A
← Count-up timer for the measurement
００ｓ ｓ ｓ ｓ
００
００
← Starts with display ――. ― when the measurement
mode is tm5 .
ｄＢ
ｄＢ
ｄＢ
ｄＢ
Measurement value is displayed every five second.
← The bar displays the instantaneous level in every
130
130
130
130
0.1 second.
← L
L L L L
Fast
Fast
Fast
Fast
A A A A
Current level is displayed with L
1) [Menu] key
③Time weighting key
(F:Fast,
S:Slow,
Imp: I mpulse)
④[Range] key
or tm5
：L
A
：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)
Measurement time 10s (second) display
００ｈ００ｍ００ｓ
００ｈ００ｍ０１ｓ
００ｈ００ｍ０２ｓ
・
００ｈ００ｍ０９ｓ
００ｈ００ｍ００ｓ ← The following measurement
＊When <Memory>2/3 screen Intr:Single is measured, it
becomes Repeat continuous work as the measurement
time display.
or tm5
and tm5 can be changed.
A
39
＜ ＜ ＜ ＜ Menu＞ ＞ ＞ ＞
<System>
<System>
<System>
<System>
Mode
Mode
Mode
Mode
Data delet
Data delet
Data delet
Data delet
LCD cont
LCD cont
LCD cont
LCD cont
Date
Date
Date y/m/d
Date
y/m/d ： ： ： ： 01/01/01
y/m/d
y/m/d
T T T T ime h/m/s
ime h/m/s ： ： ： ： 00:00:00
ime h/m/s
ime h/m/s
Printer(pc)set ： ： ： ： 9600
Printer(pc)set
Printer(pc)set
Printer(pc)set
USB out
USB out
USB out
USB out
with the ▲▼key in
Atm5
← End in ten seconds
selected value.
A
) is power
A
tm5
1/3
1/3
1/3
1/3
： ： ： ： LAtm5
LAtm5
LAtm5
LAtm5
： ： ： ： off
off
off
off
：＊＊＊
：＊＊＊
：＊＊＊
：＊＊＊
01/01/01
01/01/01
01/01/01
00:00:00
00:00:00
00:00:00
9600
9600
9600
： ： ： ： OFF
OFF
OFF
OFF
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