TESTO 552i User Manual

2 Safety and the environment
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2 Safety and the environment
2.1. About this document
Use
> Please read this documentation through carefully and
familiarize yourself with the product before putting it to use. Pay
particular attention to the safety instructions and warning advice
in order to prevent injuries and damage to the products.
> Keep this document to hand so that you can refer to it when
necessary.
> Hand this documentation on to any subsequent users of the
product.
Symbols and writing standards
Representation Explanation
Warning advice, risk level according to the
signal word:
Warning! Serious physical injury may occur.
Caution! Slight physical injury or damage to
the equipment may occur.
> Implement the specified precautionary
measures.
Note: Basic or further information.
1. ...
2. ...
Action: more steps, the sequence must be
followed.
> ... Action: a step or an optional step.
- ... Result of an action.
Menu Elements of the instrument, the instrument
display or the program interface.
[OK] Control keys of the instrument or buttons of
the program interface.
... | ... Functions/paths within a menu.
“...” Example entries
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TESTO 552i Specifications

General

Measurement Range	0 to 26.66 mbar / 0 to 20000 microns
Connectivity	Bluetooth® 5.0
Battery Type	2 x AA batteries
Protection Class	IP54
Operating Temperature	-10 to 50 °C
Resolution	1 micron
Storage Temperature	-20 to +60 °C
Measurement Parameters	Vacuum
Temperature Range	0°C to +50°C
Resolution Pressure	0.01 hPa
Accuracy	+/- 10 microns (100 to 1000 microns)