7 Maintaining the product
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7 Maintaining the product
Cleaning the instrument
Do not use any aggressive cleaning agents or solvents!
Mild household cleaning agents and soap suds may be
used.
> If the housing of the instrument is dirty, clean it with a damp
cloth.
Keeping connections clean
> Keep screw connections clean and free of grease and other
deposits, clean with a moist cloth as required.
Removing oil residues
> Carefully blow out oil residues in valve block using compressed
air.
Ensuring the measuring accuracy
Testo Customer Service would be glad to further assist you if you
so wish.
> Check instrument regularly for leaks (recommended: annually).
Keep to the permissible pressure range!
> Calibrate instrument regularly (recommended: annually).
Changing batteries/rechargeable batteries
✓ Instrument is switched off.
1. Fold out the hook, loosen the clip and remove the cover of the
battery compartment.
2. Remove discharged batteries/rechargeable batteries and insert
new batteries/rechargeable batteries (4x 1.5 V, type AA,
Mignon, LR6) in the battery compartment. Observe the polarity!
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