Máy đo cường độ âm thanh LA-1410 Ono Sokki

Mã sản phẩm: LA-1410 |
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Máy đo cường độ âm thanh LA-1410 Ono Sokki LA-4441, LA-1411, LA-1441
Model: LA-1410
Hãng: Ono Sokki
Thông tin sản phẩm



LA-1411 LA-1441 LA-4441
Applicable standard

IEC 61672-1 : 2013 Class 2

IEC 61672-1 : 2013 Class 1

JIS C 1509-1 : 2017 Class 2
JIS C1516 : 2014 Class 2

JIS C 1509-1 : 2017 Class 1
JIS C1516 : 2014 Class 1
Microphone

1/2-inch backelectret-type
condensor microphone MI-1433
Nominal sensitivity level:-29 dB

1/2-inch backelectret-type
condensor microphone MI-1235
Nominal sensitivity level:-29 dB

Preamplifier

MI-3111 Preamplifier for mocrophone

Linearity range

100 dB (Wide range), 80 dB (Normal range)

Measurable frequency range

10 Hz to 8 kHz(IEC, JIS)

10 Hz to 20 kHz(IEC, JIS)
Measurement level range

A : 26 to 135 dB(IEC, JIS)
C : 31 to 135 dB(IEC, JIS)
Z : 36 to 135 dB(IEC, JIS)

A : 27 to 135 dB(IEC, JIS)
C : 30 to 135 dB(IEC, JIS)
Z : 35 to 135 dB(IEC, JIS)
Frequency weighting

A,C,Z

Intrinsic noise

A : 15 dB or less
C : 17 dB or less
Z : 25 dB or less

A : 16 dB or less
C : 17 dB or less
Z : 24 dB or less

Level range

20 to 90 dB, 30 to 90 dB, 40 to 100 dB, 50 to 110 dB, 60 to 120 dB (Normal range),
70 to 130 dB, 40 to 120 dB (Wide range)

Time weighting

FAST, SLOW

FAST, SLOW, Impulse, 10 ms
Measurement items Lp, Leq , LE, Lmax, Lmin, Lpk, L(LHI, L5, L10, L50, L90, L95, LLO, LAV)
Level trend p, every kind of calculated value

Lp, every kind of calculated value
(Read out the displayed value as auto memory recall)

Sampling interval

31.25 μs (other than LN )
100 ms(LN)

20.83 μs (other than LN)
100 ms(LN)
Measurement time Manual, arbitrary setup (199 h 59 m 59 s max.)


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