Operating Instructions

Table Of Contents
4.2 Installation location requirements
WARNING
Aggressive atmospheres
Danger to personnel, system and environment can result from unsuitable environment.
Provide an environment suitable to the housing rating and materials of construction.
NOTICE
Direct sunlight
Device damage.
The device can overheat or materials become brittle due to UV exposure.
Protect the device from direct sunlight.
Make sure that the maximum permissible ambient temperature is not exceeded. Refer to
the information in Environmental (Page 170).
Ambient temperature
Device nameplate
Device tag
Process temperature (at process connection)
Process connection tag (contains process connection related information)
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 and aluminum/poly‐
propylene lens versions
‑40 to +80 °C
(‑40 to +176 °F)
‑40 to +80 °C
(‑40 to +176 °F)
PTFE flanged encapsulated ‑40 to +80 °C
(‑40 to +176 °F)
‑40 to +170 °C
(‑40 to +338 °F)
Installing/mounting
4.2 Installation location requirements
SITRANS LR250 with mA/HART
24 Operating Instructions, 10/2019, A5E32220602-AG