User's Manual

7 Maintaining the product
20
Feature
Values
Warranty
Duration: 2 years
Terms of warranty: see website
www.testo.com/warranty
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7 Maintaining the product
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Cleaning the instrument
Do not use harsh cleaning agents or solvents! Mild soap and
water may be used.
> Clean instrument using a damp cloth.
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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.
To ensure measuring accuracy
> 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.