10. Maintenance and cleaning
10. Maintenance and cleaning
10.1 Maintenance
The thermometers described here are maintenance-free.
Repairs must only be carried out by the manufacturer.
10.2 Cleaning
CAUTION!
Prior to cleaning, switch off and disconnect the instrument from the mains.
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Clean the instrument with a moist cloth.
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Electrical connections must not come into contact with moisture.
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Wash or clean the dismounted instrument before returning it, in order to
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protect persons and the environment from exposure to residual media.
Residual media in the dismounted instrument can result in a risk to persons,
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the environment and equipment.
Take sufficient precautionary measures.
For information on returning the instrument see chapter 12.2 "Return".
10.3 Calibration, recalibration
It is recommended that the measuring insert is recalibrated at regular intervals (resistance
thermometers: approx. 24 months; thermocouples: approx. 12 months). This period can
reduce, depending on the particular application. The calibration can be carried out by the
manufacturer, as well as on site by qualified technical staff with calibration instruments.
WIKA operating instructions models TR10-W, TC10-W (Ex d)
GB
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