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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Our other services include:
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Duct Testing can also be known as:
Part F Fan Testing, Part F Testing, Ventilation Testing Equipment, Part F Ventilation Certificate, Air Flow Rate Testing, Ventilation Commissioning Certificate, Part F Ventilation Testing,
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