Maintenance, cleaning and recalibration – WIKA CPH6400 Benutzerhandbuch
Seite 33
33
WIKA operating instructions, model CPH6400
11313439.04 12/2012 GB/D
GB
6. Commissioning, operation / 7. Maintenance, cleaning ...
If the measured value of the CPH6400 is not equal to zero, with the connected gauge
pressure sensor and vented test assembly, then the zero point for gauge pressure
sensors can be corrected via the "OFFSET CORRECTION" FUNC menu item by press-
ing the TARE key.
FUNC
Return to the standard measuring mode by pressing the FUNC key several
times.
7. Maintenance, cleaning and recalibration
7.1 Maintenance
This precision hand-held pressure indicator and its sensors are maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
■
Before cleaning, correctly disconnect the precision hand-held
pressure indicator from the pressure supply, switch it off and discon-
nect it from the mains.
■
Clean the precision hand-held pressure indicator with a moist cloth.
■
Electrical connections must not come into contact with moisture.
■
Residual media in dismounted precision hand-held pressure indica-
tors or sensors can result in a risk to persons, the environment and
equipment. Take sufficient precautionary measures.