Siemens SITRANS LR250 Operating Instructions Manual page 25

①
②
③
④
⑤
Horn
PVDF
Flanged encapsulated
Hygienic encapsulated
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.
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 08/2014, A5E32221411-AC
Ambient temperature
Device nameplate
Device tag
Process temperature (at process connection)
Process connection tag (contains process connection related information)
Antenna
-40 to +80 °C
(-40 to +176 °F)
-40 to +80 °C
(-40 to +176 °F)
-40 to +80 °C
(-40 to +176 °F)
-40 to +80 °C
(-40 to +176 °F)
4.2 Installation location requirements
①
with FKM O-ring:-40 to +200 °C (-40 to
392 °F)
with FFKM O-ring:-20 to +200 °C (-4 to
+392 °F)
-40 to +80 °C
(-40 to +176 °F)
-40 to +170 °C
(-40 to +338 °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
connection:
-40 to +120 °C (-40 to +248 °F)
Installing/mounting
③
25