BRUEL & KJAER 2239 A - Page 71

Chapter 6 – Specifications
Specifications
64
Brüel & KjærIntegrating Sound Level Meter Type 2239 A
User Manual
Effect of Accessories
Fig.6.4 (a) Effect of the sound level meter’s casing on its frequency response (for
reference) compared to (b) the effect of Tripod UA0801 on the sound level
meter’s frequency response
Fig.6.5 Effect of Protective Cover UA 1236 on the sound level meter’s frequency response
931236/2e
Relative
Response
(dB)
(a)
100 1k 10k
0
– 1
200 500 2k 5k 20k
1
Frequency (Hz)
100 1k 10k
0
– 1
200 500 2k 5k 20k
1
931235/1e Frequenc
y
(Hz)
Relative
Response
(dB)
(b)
931234/1e
Relative
Response
(dB)
100 1k 10k
0
– 1
200 500 2k 5k 20k
1
Frequency (Hz)
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