Maintaining the product12
Maintaining the product
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Cleaning tthe hhousing:
i If dirty, clean the housing with a damp cloth (soap solution). Do not use
aggressive cleaning products! Immediately remove oils, refrigerants and
solvents from the housing.
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Keep cconnections cclean:
i Keep screw connections clean and free of grease and other deposits, if
necessary clean with a damp cloth.
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Regularly rreplace rrefrigerant hhoses
Warning!
If the measuring instrument falls down or is exposed to any other
comparable mechanical strain, the end connections of the refrigerant
hoses can break off. The valve knobs can also be damaged, which can lead to
further damage in the interior of the instrument, which is not visible externally.
For this reason, replace the refrigerant hoses after any fall or comparable
mechanical strain with new, undamaged refrigerant hoses. For your own safety,
send the instrument to Testo customer service for technical testing.
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Removing ooil ttraces:
i Carefully blow any oil traces out of the valve block with compressed air.
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Ensuring mmeasurement aaccuracy:
If required, Testo customer service is happy to help you.
i Regularly check the instrument for leakage (recommended annually).
Observe maximum pressure ratings!
i Calibrate the instrument regularly (recommended annually).
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Changing bbatteries/rechargeable bbatteries:
Instrument is switched off.
1 Fold out the suspension hook and open battery compartment (clip
fastening).
2 Remove empty batteries and insert new batteries or rechargeable
batteries (4x 1.5V, Type AA /Mignon/LR6) into the battery compartment.
Observe polarity!
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