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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
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Part E
Resistance of the Passage of Sound
Wrexham - Air Flow Rate Testing - 01978 633 079
The counties covered by this office are:
Wrexham County, Gwynedd County, Flintshire, , Denbighshire, Conwy County,
Phone Number: 01978 633 079 Email: wrexham@e2consultants.co.uk
Our other services include:
Air Flow Rate Testing can also be known as:
Part F Ventilation Testing, Part F Testing, Duct Testing, Ventilation Testing Equipment, Ventilation Commissioning Certificate, Part F Fan Testing, Part F Ventilation Certificate,
Copyright 2026 E2 Specialist Consultants Limited
Company No. 06728970
