TESTO 570 Series - Keeping connections clean; Removing oil residues; Ensuring measuring accuracy; Changing batteries batteries

9 Maintenance
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9.3 Keeping connections clean
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Keep screw connections clean and free of grease and other deposits;
clean with a damp cloth as required.
9.4 Removing oil residues
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Carefully blow out oil residues in the valve block using compressed
air.
9.5 Ensuring measuring accuracy
Testo Customer Service will be happy to help you as required.
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Check the instrument regularly for leaks. Keep to the permissible
pressure range!
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Calibrate the instrument regularly (recommendation: once a year).
9.6 Changing batteries batteries
✓
The instrument is switched off.
1
Fold out the suspension hook,
release the clip and remove the
battery compartment lid.
2
Remove the spent batteries and insert new ones (3 x AA alkaline) into
the battery compartment. Observe the polarity!
3
Attach and close the battery compartment lid (the clip must click into
place).
4
Switch the instrument on.