Page 28 of 80
© Retrotec 2022
Set the [Area] needed for "per Area" type Results from [Settings]
4.3 Set [Volume] if using ACH
The volume of the enclosure or building under test is required for the calculation of ACH (Air Changes per
Hour). The [Volume] key will appear on the Home screen if ACH is chosen as the “Result to be displayed”.
Set the [Volume] needed for ACH Result from Home screen
The [Volume] key on the “Settings” menu provides another way to enter the volume of the enclosure or
building under test.