User's Manual

7 Maintaining the product
16
- Result is displayed.
4. Confirm message: Press [Mode].
- You automatically jump to the evacuation/vacuum display
menu.
Evacuation/vacuum display
The measurement is performed on the low-pressure
side.
5. Press [Mode].
- Result is displayed on the low-pressure side.
6. Press [Mode].
- The measuring mode is displayed.
7 Maintaining the product
Cleaning the instrument
> If the housing of the instrument is dirty, clean it with a damp
cloth.
Do not use any aggressive cleaning agents or solvents! Weak
household cleaning agents and soap suds may be used.
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).