WIKA PG28 Betriebsanleitung Seite 19

6. Faults
Faults
The pointer remains
outside the zero
point tolerance after
installation and
depressurisation.
Instrument outside
the accuracy class.
Vibration of the
pointer.
Mechanical damage
(e.g. window, case).
For the exchange of the instrument chapters 8 "Dismounting, return and
disposal" and 5 "Commissioning, operation" must be observed.
Optical changes without limitation of the function
If the instrument is exposed to intensive UV radiation, the colouring of
the dial printing may change.
Shocks can cause small bubbles to form in the fill fluid of filled
instruments.
WIKA operating instructions pressure gauge, model PG28
Causes
Mounting error: Instrument
not mounted in nominal
position.
Transport damage (e.g.
non-permissible shock
loading).
Instrument was operated
outside of permissible
performance limits.
Vibrations in the
application.
Improper handling.
Impermissible loading at
the installation point (e.g.
fire and impacts)
Measures
Check the mounting
position.
Replace instrument.
Check the
observance of
the operating
parameters of the
application.
Replace instrument.
Use instrument with
case filling.
Replace instrument.
EN
19