Sper-scientific 840029 Sound Meter Digital Manual do Utilizador descarregar pdf (Página 7)

FREQUENCY WEIGHTING (A and C) CHARACTERISTICS

Frequency dB A dB C Tolerance dB

31.5 -39.4 -3.0 ± 5.0

40 -34.6 -2.0 ± 4.5

50 -30.2 -1.3 ± 4.0

63 -26.2 -0.8 ± 3.5

80 -22.5 -0.5 ± 3.0

100 -19.1 -0.3 ± 2.5

125 -16.1 -0.2 ± 2.0

160 -13.4 -0.1 ± 2.0

200 -10.9 0 ± 2.0

250 -8.6 0 ± 2.0

315 -6.6 0 ± 2.0

400 -4.8 0 ± 2.0

500 -3.2 0 ± 2.0

630 -1.9 0 ± 2.0

800 -0.8 0 ± 2.0

1000 0 0 ± 2.0

1.25k 0.6 0

± 2.0

± 2.5

1.6k 1.0 -0.1

± 3.0

- 2.5

2k 1.2 -0.2

± 3.5

- 3.0

2.5k 1.3 -0.3

± 4.0

- 3.5

3.5k 1.2 -0.5 ± 4.5

4k 1.0 -0.8 - 4.0

5 0.5 -1.3

± 5.0

- 4.5

6.3 -0.1 -2.0

± 5.5

- 5.0

8 -1.1 -3.0

± 6.0

- 5.5

RESPONSE (Fast and Slow) CHARACTERISTICS

Fast Reading is maximum value at 0.2 seconds

Slow Reading is maximum value at 1.5 seconds

- 7 -

1 2 3 4 5 6 7 8

DIGITAL SOUND LEVEL METER 1
1/8" 6
3/8" 6

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