Use Of Incorrect Device Parts In Potentially Explosive Environments - Siemens SITRANS P DS III Operating Instructions Manual

Safety information
2.4 Use in hazardous areas
2.4.1

Use of incorrect device parts in potentially explosive environments

Use of incorrect device parts in potentially explosive environments
Devices and their associated device parts are either approved for different types of
protection or they do not have explosion protection. There is a danger of explosion if device
parts (such as covers) are used for devices with explosion protection that are not expressly
suited for this type of protection. If you do not adhere to these guidelines, the test
certificates and the manufacturer warranty will become null and void.
• Use only device parts that have been approved for the respective type of protection in
• Do not swap device parts unless the manufacturer specifically ensures compatibility of
Risk of explosion due to electrostatic charge
To prevent the build-up of an electrostatic charge in a hazardous area, the key cover must
be closed during operation and the screws tightened.
The key cover may be opened temporarily at any time for the purposes of operating the
pressure transmitter, even during plant operation; the screws should then be tightened
again.
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WARNING
the potentially explosive environment. Covers that are not suited for the "explosion-
proof" type of protection are identified as such by a notice label attached to the inside of
the cover with "Not Ex d Not SIL".
these parts.
WARNING
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08