User's Manual

Table Of Contents
Installing/mounting
4.2 Mounting location
SITRANS LR250 (FOUNDATION FIELDBUS)
18 Operating Instructions, 01/2014, A5E32221411-AB
4.2.2
Nozzle location
Avoid central locations on tall, narrow vessels
Nozzle must be vertical
Preferred
Undesirable
Environment
Provide an environment suitable to the housing rating and materials of construction.
Provide a sunshield if the device will be mounted in direct sunlight.
Ambient temperature
Process temperature (at process connection)
Antenna
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 -40 to +80 °C
(-40 to +176 °F)
-40 to +80 °C
(-40 to +176 °F)
Flanged encapsulated -40 to +80 °C
(-40 to +176 °F)
-40 to +170 °C
(-40 to +338 °F)
Access for programming
Provide easy access for viewing the display and programming via the handheld programmer.