Mitsubishi PLA-RP Instrukcja Obsługi Pobierz pdf (Strona 59)

59

UNIT

1.5m

MICROPHONE

CEILING

PLA-RP5AA.UK

PLA-RP5AA

1.UK

PLA-RP6AA.UK

PLA-RP6AA1.UK

NOTCH SPL(dB) LINE

45

43

40

37

NOTCH SPL(dB) LINE

45

43

40

37

90

80

70

60

50

40

30

20

10

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)

BAND CENTER FREQUENCIES, Hz

90

80

70

60

50

40

30

20

10

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

THRESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

BAND CENTER FREQUENCIES, Hz

High

Medium1

Medium2

Low

High

Medium1

Medium2

Low

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