10
Maintenance
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4
Select instrument.
A safety notice is displayed.
5
Click on
Transfer data to DataControl and delete from instrument
.
Data has been successfully transferred.
10
Maintenance
10.1
Calibration
The testo 550s / testo 557s is supplied with a factory calibration
certificate as standard.
Recalibration once every 12 months is recommended in many
applications.
This can be carried out by Testo Industrial Services (TIS) or other
certified service providers.
10.2
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.
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