Wika TR21-C Manual de usuario descargar pdf (Pagina 15)

14006814.01 05/2011 GB/D/F/E

WIKA operating instructions model TR21 15

7. Maintenance and cleaning

7.1 Maintenance

The resistance thermometers described here are maintenance-free.

The electronics are completely encapsulated and incorporate no components which could

be repaired or replaced.

In general, thermowells are maintenance-free.

We recommend a visual check of the thermowell for leaks and damages at regular intervals.

Make sure that the seal is in perfect condition!

Repairs should only be carried out by the manufacturer or, following prior consultation, by

correspondingly qualied skilled personnel.

7.2 Cleaning

CAUTION!

■

Wash or clean the dismounted instrument 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 "9.2 Return".

7. Maintenance and cleaning

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Wika TR21-C Manual de usuario Pagina 15