Specifications - Kanomax 4431 Instruction Manual

1) Type
2) Description
3) Applicable Standards
4) Frequency Range
5) Microphone(Sensitivity）
6) Level Range Control
7) Measurement Level
8) Self-noise level
9) Linearity Range
10) Time weighting
11) Frequency weighting
12) Measurement items
13)Measurement time
14) Sampling Time
15) Data clear function
16) Timer function
17) Display
Display range
Display cycle
Bar display
Warning
Battery display
Date
Specification
：MODEL 4431
：Sound Level Meter
：JIS C1509-1：2005 ClassⅡ, IEC 61672-1：2002 Class Ⅱ
：20Hz～20kHz（Conforms with measurement law 20Hz～8kHz）
：TYPE 7052NR(-33dB, Stand-alone-31dB)
：10dB 6step
20～80dB, 20～90dB, 20～100dB, 20～110dB, 30～120dB
40～130dB
A ：28～130dB
（0～80dB／0-dB measurement function in ON）
C ：36～130dB
Z(FLAT)
：38～130dB
C peak ：55～141dB
Z（FLAT）peak：60～141dB
：The lower limit of the measurement range in dB lies 6dB
higher than self-noise level.
：100dB
：Fast、Slow、Impulse
：A, C, Z（FLAT）
：Sound pressure level(Lp), A-weighted sound pressure level,
C-weighted sound pressure level(L
continuous A-weighted sound pressure level(L
exposure level(L
Minimum sound pressure level(L
pressure level(5 freely selectable values, L
pressure level(L
(L ), C-weighted equivalent continuous sound pressure
Cpeak
level(L )
Ceq
Power average of maximum sound pressure level in a
given interval(L
Impulse equivalent continuous sound pressure level(L
：1s, 3s, 5s, 10s, 1mim, 5mim, 10mim, 15mim, 30mim,
1h, 8h, 12h, 24h, Manual(Max. 199h59m59s)
：20.8μ （L 、L
S eq
：Pause, and a function that deletes preceding 3 or 5 sec. data.
Memory start ；Selectable Auto or Manual
：A marker can be set to start and stop the measurement at any
specified moments.
：Liquid crystal and Backlight(128×64 points)
：4digits display
：display Period: 1s
：display Period: 0.1s
：Over ；＋3dB from upper limited scale
Under；－0.6dB from lower limited scale
：5 steps display
：year/month/day/ hour：minute：second
53
, L
A
), Maximum sound pressure level(L
AE
Amin
), C-weighted peak sound pressure level
peak
), Impulse sound pressure level(L
Atm5
、L ), 100ms(L
max min N
),Equivalent
C
), Sound
Aeq
Amax
), Percentile sound
), Peak sound
AN
),
AI
AIeq
)
),
)