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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
Part E
Resistance of the Passage of Sound

Colwyn Bay - Duct Testing - 01407 320 107
The office that covers this area is: Anglesey
Phone Number: 01407 320 107 Email: colwyn-bay@e2consultants.co.uk
Our other services include:
Duct Testing can also be known as:
Part F Testing, Air Flow Rate Testing, Part F Ventilation Certificate, Ventilation Testing Equipment, Part F Ventilation Testing, Ventilation Commissioning Certificate, Part F Fan Testing,


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Company No. 06728970