First Measurement - TESTO 645 Instruction Manual

info@Testo-Direct.com
A description of the instrument and an overview of the
controls guarantee a quick introduction.
Note: The measuring instrument must be switched off before a probe
is connected.
You will receive up-to-date readings once a probe is inserted and the
i
measuring instrument is switched on. However, you will still need to
update or define the data in the instrument:
Instrument configuration
Some things can only be set via PC software (See Ordering data):

www.
 Date/Time:
 Auto Off:
 Units:
 Location name (8 characters)
 Log head (24 characters), e.g. your company name -
is also printed when readings are printed.
5
Testo-Direct

First measurement

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