Setting The Correction Factor; Setting The Area - TESTO 417 Instruction Manual

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2 Click on Average of the measured

The window for Average of the measured values opens.
3
Enter a value between 2 and 20 measured values.

Changes to the measuring instrument settings in the app are
transferred directly to the measuring instrument. Synchronization with
the app is confirmed on the measuring instrument via "SYNC DONE".
8.4.4

Setting the Correction Factor

If parts of the cross-sectional area are covered (e.g. by lattice bars), this
can be corrected via the correction factor.
The correction factor indicates the proportion of free space in the cross-
sectional area.
For example: If 20% of the area is covered, the correction factor must
be set to 0.8 (80% free space).
The correction factor can only be set via the testo Smart App and not
directly on the measuring instrument.
The Settings tab is open.

1 Select Correction factor.
2
Enter the value for the correction factor and save.

The changes are transferred to the measuring instrument and
synchronization with the app is confirmed on the measuring instrument
via "SYNC DONE".
8.4.5

Setting the area

The cross-sectional area of the measuring point can be set both via the
testo Smart App and directly on the measuring instrument.
The display of this setting on the measuring instrument cannot be
hidden.
The Settings tab is open.

1 Select Area.
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8 Controls via testo Smart App
values.
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