6 Using the product
35
Parameter Values
Measuring type
Punctual or Continuous/Punctual
The end criterion can be defined individually
depending on the selection.
Nominal
volumetric flow
The measured volume flow is shown
in the same unit of measurement as
the unit of measurement of the
reference volume flow.
Probe
Select probe via serial number with [ ].
If a Pitot tube is connected, the
differential pressure is measured
when INT is selected.
Layout Measuring
points
The number of measuring
the distance from the point of discontinuity
and irregularities in the profile. More
information can be found in the Testo
"Ambient Air Measurement for Practical
Users" field guide.
Hole position Depending on channel accessibility, select
the hole position with [ ] and/or [ ].
Confirm the selection with [ ].
Edge spacing For example, damping of the channel wall
can be taken into consideration. Entered
values influence the coordination of the
measuring points.
Uncertainties
Channel
Estimated uncertainty of the channel
dimensions. Entered value is taken into
account in the flow rate calculation.
Uncertainties
Density (air
density, only for
Pitot tube
measurement)
When all relevant measurement parameters
(temperature, relative humidity, absolute
pressure) are measured, the value can be
set to 0.
6. Save setting and navigate to the measuring program: select [
] → Save and start measurement.
> If you do not want the measurement to start immediately: select
[ ] → Save and close.
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