40 tina83e1-d (2018-12)
For adjusting the zero, operate the gauge under the same con-
stant ambient conditions and in the same mounting orientation
as normally.
The zero can be adjusted via
• the <ADJ> button on the gauge,
• the diagnostic port (→ [1]),
• the RS232C/485C interface (→ [1]),
• the EtherCAT interface (→ [2]).
If you are using a seal with centering ring and filter, check
that they are clean or replace them if necessary
(→ "Deinstallation").
Put the gauge into operation and operate it at atmospheric
pressure for at least 10 minutes.
Briefly press the <ADJ> button with a pin (max. ø1.1 mm)
and the ATM adjustment is carried out, or …
ATM
… perform the adjustment via the diagnostic port or via the
EtherCAT interface.
The Pirani sensor is adjusted to 1000 mbar (duration ≈5 s).