WIKA CPH65I0 - Handbuch (Seite 46)

46 WIKA operating instructions, model CPH65I0
14061681.02 03/2013 GB/D
GB
7. Maintenance, cleaning, and recalibration / 8. Faults
7.3 Cleaning
CAUTION!
■ Before cleaning the hand-held pressure calibrator, vent it correctly,
disconnect it from the pressure supply and switch it off.
■ Clean the instrument with a moist cloth.
■ Electrical connections must not come into contact with moisture.
■ Residual media in the dismounted hand-held pressure calibrator can
result in a risk to personnel, the environment and equipment. Take
sufficient precautionary measures.
■ In order to prevent physical injury or damage to the instrument,
ensure that no water finds its way into the housing.
■ In order not to damage the display or case, do not use any solvent or
scouring agents for cleaning.
For information on returning the instrument see chapter 9.2 "Return".
7.4 Recalibration
DKD/DAkkS certificate - Official certificates:
We recommend that the instrument is regularly recalibrated by the manufacturer, with
time intervals of approx. 12 months. The basic settings will be corrected if necessary.
8. Faults
Display Cause Measures
Low battery power, functioning
is only guaranteed for a short
period of time
Insert new batteries
OL
-OL
Reading is significantly above or
below the measuring range
Check: is the pressure within the
permissible measuring range of
the sensor?
--> Reduce the applied pressure