Siemens 6 Series Compact Operating Instructions page 24

WARNING
Hot surfaces
There is a danger of burns resulting from hot surfaces when the device is open. This is indicated by the corresponding
warning symbol on the device.
Take appropriate protective measures, for example, wear protective gloves.
•
Wait at least 60 minutes before you start working on hot analyzer parts.
•
WARNING
Danger of chemical burns
The O S sensor contains acetic acid, which leads to burns on unprotected skin.
2
Therefore do not use any tools when replacing the sensor module which could damage the sensor due to sharp edges or
squeezing.
If contact with the acid occurs nevertheless, rinse the affected skin immediately with plenty of water!
WARNING
Danger of chemical burns
The H S sensor contains sulfuric acid, which leads to burns on unprotected skin.
2
Therefore do not use any tools when replacing the sensor module which could damage the sensor due to sharp edges or
squeezing.
If contact with the acid occurs nevertheless, rinse the affected skin immediately with plenty of water!
6.1.2 Analyzers in hazardous areas
Following maintenance or the retrofitting of parts associated with explosion protection, the analyzer may only be put into
operation when an Ex specialist has ensured that the analyzer has the essential features and meets the requirements for
explosion protection and issues a certificate to this effect and/or has attached a test symbol to the equipment.
DANGER
Explosion hazard
Never open, service or repair the analyzer in an area in which a potentially explosive atmosphere may be present.
DANGER
Potentially explosive atmosphere
The analyzer keys must not be pressed if a potentially explosive atmosphere may be present.
If operation using the keyboard is necessary, a hot work permit is absolutely essential.
Exceptions: Analyzers with approvals 1708 or 2022
•
WARNING
Electrostatic charge
Danger of explosion in hazardous areas if electrostatic charges develop, for example, when cleaning plastic surfaces with a
dry cloth.
Prevent electrostatic charging in hazardous areas.
•
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Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
A5E45779144002-01, 09/2018