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actual pressure drop is displayed as delta P. If no temperature probe is
connected, you may also perform the tightness test without temperature
compensation.
Surface temperature probes (e.g. testo 115i) can also be used for the
temperature-compensated leakage testing, but must not be used to
measure surface temperature. They must be positioned as far as
possible to measure the air temperature. If a surface probe is used, in
the
Settings
menu of the testo 570s, the
compensation factor)
The testo 570s manifold is used to carry out the measurement.
✓
The instrument is switched on and the measurement menu is
displayed.
✓
Hoses are connected.
1
Press [Menu/Enter].
[▲] / [▼]
2
Press
Mode
and press
confirm.
-
The
Measuring Mode
displayed.
must be switched off, see section 8.3.4.
to select
Measuring
[Menu/Enter]
to
menu is
7 Using the product
Auto Tfac (Temperature
25
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