Siemens 7ML5431 - Page 27

Installing/mounting
4.2 Installation location requirements
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
27
①
Ambient temperature
②
Device nameplate
③
Device tag
④
Process temperature (at process connection)
⑤
Process connection tag (contains process connection related information)
Antenna
①
④
Horn -40 to +80 °C
(-40 to +176 °F)
with FKM O-ring:-40 to +200 °C (-40 to
392 °F)
with FFKM O-ring:-20 to +200 °C (-4 to
+392 °F)
PVDF and alumi-
num/polypropylene lens
versions
-40 to +80 °C
(-40 to +176 °F)
-40 to +80 °C
(-40 to +176 °F)
PTFE flanged encapsulat-
ed
-40 to +80 °C
(-40 to +176 °F)
-40 to +170 °C
(-40 to +338 °F)
Hygienic encapsulated -40 to +80 °C
(-40 to +176 °F)
-40 to +170 °C
(-40 to +338 °F)
with FKM seals used on process connection:
-20 to +170 °C (-4 to +338 °F)
with EPDM seals used on process connec-
tion:
-40 to +120 °C (-40 to +248 °F)
Note
Details about the process connection, process temperature and materials are laser etched
into the body of the flanged and hygienic versions. All other SITRANS LR250 versions have
details listed on a tag.