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Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more

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
Hedon - Ventilation Testing Equipment - 01924 578 029
The office that covers this area is: Wakefield
Phone Number: 01924 578 029 Email: hedon@e2consultants.co.uk
Our other services include:
Ventilation Testing Equipment can also be known as:
Duct Testing, Part F Fan Testing, Air Flow Rate Testing, Ventilation Commissioning Certificate, Part F Testing, Part F Ventilation Testing, Part F Ventilation Certificate,


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Company No. 06728970