2 Safety
2.1 General safety information
The following 4 risk levels and 1 information level are taken into account in this document.
DANGER
Immediately pending danger
Indicates an immediately pending danger that will result in death or serious injury if not observed.
► Instructions to avoid the danger situation
WARNING
Potential pending danger
Indicates a pending danger that could result in death or serious injury if not observed.
► Instructions to avoid the danger situation
CAUTION
Potential pending danger
Indicates a pending danger that could result in minor injuries if not observed.
► Instructions to avoid the danger situation
NOTICE
Danger of damage to property
Is used to highlight actions that are not associated with personal injury.
► Instructions to avoid damage to property
Notes, tips or examples indicate important information about the product or about this docu-
ment.
2.2 Safety instructions
Safety instructions according to product life stages
All safety instructions in this document are based on the results of a risk assessment.
Pfeiffer Vacuum has taken into account all the relevant life stages of the product.
Risks during installation
DANGER
Danger to life caused by electric voltage on the analyzer
During operation, dangerous voltage is present on the electrode system of the QMA analyzer. Com-
ponents in the vacuum system are dangerous to touch under certain conditions. There is danger to
life due to electric voltage.
► Protect installed parts, connected units and lines against galvanic connections, flashover or
charge carrier flow.
► Make sure that the QMA, vacuum chamber, and entire apparatus always have a proper connec-
tion to protective ground.
► Provide additional protection if the user can touch the analyzer when the vacuum system is open.
► Ensure mechanical protection against contact of the analyzer and the parts installed.
► Ensure compulsory separation of the current supply when opening the system (using a door con-
tact, for example).
Safety
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