Repair and maintenance
11.4 Return procedure
SITRANS P DS III with PROFIBUS PA
Operating Instructions, 06/2013, A5E00053276-07
183
Penetration of moisture into the device
Device damage.
• Make sure when carrying out cleaning and maintenance work that no moisture
penetrates the inside of the device.
● Clean the outside of the enclosure and the display window using a cloth moistened with
water or a mild detergent.
● Do not use aggressive cleaning agents or solvents. Plastic components or painted
surfaces could be damaged.
Danger of explosion in hazardous areas if electrostatic charges develop e.g. when cleaning
plastic enclosures with a dry cloth.
• Prevent electrostatic charging in hazardous areas.
Servicing the remote seal measuring system
The remote seal measuring system usually does not need servicing.
If the mediums are contaminated, viscous or crystallized, it could be necessary to clean the
diaphragm from time to time. Use only a soft brush and a suitable solvent to remove the
deposits from the diaphragm. Do not use corrosive cleaning agents. Prevent the diaphragm
from getting damaged due to sharp-edged tools.
Improper cleaning of diaphragm
Device damage. The diaphragm can be damaged.
• Do not use sharp or hard objects to clean the diaphragm.
Enclose the bill of lading, return document and decontamination certificate in a clear plastic
pouch and attach it firmly to the outside of the packaging.