EN
WIKA operating instructions pressure gauge, model PG28
19
14401362.01 06/2020 EN/DE
6. Faults
Faults
Causes
Measures
The pointer remains
outside the zero
point tolerance after
installation and
depressurisation.
Mounting error: Instrument
not mounted in nominal
position.
Check the mounting
position.
Transport damage (e.g.
non-permissible shock
loading).
Replace instrument.
Instrument outside
the accuracy class.
Instrument was operated
outside of permissible
performance limits.
Check the
observance of
the operating
parameters of the
application.
Replace instrument.
Vibration of the
pointer.
Vibrations in the
application.
Use instrument with
case filling.
Mechanical damage
(e.g. window, case).
Improper handling.
Replace instrument.
Impermissible loading at
the installation point (e.g.
fire and impacts)
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.