Wika 55 Manuel d'utilisateur télécharger pdf (Page 12)

12968065.04 10/2013 GB/D/F/E

12 WIKA operating instructions models 53, 54, 55

7. Maintenance and cleaning

7.1 Maintenance

These bimetal thermometers are maintenance-free!

The indicator should be checked once or twice every year. To do this

the instrument must be disconnected from the process and checked

using a temperature calibrator.

Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!

■

Clean the thermometer with a moist cloth.

■

Wash or clean the thermometer before returning it, in

order to protect personnel and the environment from

exposure to residual media.

■

Residual media in dismounted instruments can result

in a risk to persons, the environment and equipment.

Take sucient precautionary measures.

For information on returning the instrument see chapter

8.2 “Returns”.

7. Maintenance and cleaning

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Wika 55 Manuel d'utilisateur Page 12