| 6m x 6m x 3m anechoic chamber
with cut off frequency of.... |
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100 Hz meeting
the requirements of ISO : 3745 |
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Houses 70 & 400 kW
engine dynamometer. |
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Houses 70 kW chassis dynamometer
with the capacity to test 2,3 & 4 wheelers |
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Two adjacent
reverberation chambers of volume 110 m3
and 80 m3 with a window of 2.4 m x 2.4 m
in the inter-connecting wall. |
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This facility
is used to measure random incidence sound
absorption coefficient as per ISO 354 and
Sound Transmission Loss as per ISO 140-3/ASTM
E 90. Meet the requirements of ISO 3743 and
ISO 140-1. |
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