ACO 6226 - Sound Pressure Level (L C;L F ) Measurement

18
2. Sound pressure level (L C /L f ) measurement
(Sound pressure level measurements except A-weighted sound pressure level.)
Frequency weighting key
(A ・C , Flat) Time weighting key
(Fast ･Slow, Impulse)
Range key
Measurement mode key
＜ Parameter setting ＞
Range
key: Select a range that Bar display indicates approximately 2/3 of the full scale.
Time weighting
key: Fast or Slow
Frequency weighting
key: C or F
Measurement mode
key: L C or L f
＜ Display ＞
Indicates
Time weighting
.
(L C : frequency weighting is
C
; L f : frequency weighting is
FLAT
.)
・ Displayed level is updated once per second.
・ Bar display is updated 10 times per second.
・ You don’t need to press
Start
key.
00h 000h00m00s
FAST
L C
dB
30 120
Manu
66.0