16
Chapter 3
Round duct
,
Rect duct
and
Duct area
are used to perform a duct
traverse using a pitot probe or thermoanemometer probe. For more
information on how to perform a duct traverse, refer to
Press/Kfact
allows for calculating flow rate from diffusers or flow
stations with pressure taps using the instruments pressure ports and
Kfactors. The Kfactors are obtained from the diffuser or flow station
manufacturer. For more information, refer to
Up to 5 rectangular ducts, 5 round ducts, 5 duct areas, and 5 Kfactors
can be pre-programed for quick use on a jobsite:
When
Flow
is set as the
Primary
measurement in the
Display Setup
menu, the dimensions or Kfactor will also be displayed:
N O T E
For flow measurements with round, rectangular or duct area, velocity
must be set as a secondary measurement in order for flow readings
to appear when using the pitot or AF probe.