Siemens SITRANS P DS III Operating Instructions Manual page 42

Installing / mounting
4.1 Basic safety instructions
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
Hot surfaces resulting from hot process media
Danger of burns resulting from surface temperatures above 70 °C (155 °F).
• Take appropriate protective measures, for example contact protection.
• Make sure that protective measures do not cause the maximum permissible ambient
External stresses and loads
Damage to device by severe external stresses and loads (e.g. thermal expansion or pipe
tension). Process media can be released.
• Prevent severe external stresses and loads from acting on the device.
42
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.
CAUTION
temperature to be exceeded. Refer to the information in Chapter "Technical data
(Page 193)".
CAUTION
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08