Operating Instructions

Table Of Contents
Location indoor/ outdoor
Altitude 5000 m (16,404 ft) max.
Ambient temperature Storage −40 to +80 °C (−40 to +176 °F)
Operating −40 to +80 °C (−40 to +176 °F)
Relative humidity suitable for outdoor
Type 4X, Type 6, IP67, IP68 enclosure (see note above)
Installation category I
Pollution degree 4
11.6 Process
Temperature
1)
Stainless steel versions -40 to 200 °C (-40 to 392 °F)
Aluminum horn, with polypropy‐
lene lens antenna version
-40 to 80 °C (-40 to 176 °F)
Pressure (vessel)
1)
Refer to Process Pressure/Temperature derating curves (Page 159)
1) The maximum temperature is dependent on the ambient temperature and vessel pressure.
For more detail, or for other configurations, see Process Pressure/Temperature derating
curves (Page 159)
2) Pressure rated version for maximum process temperature of 80 °C (176 °F)
Ambient temperature
Device nameplate
Device tag
Process temperature (at process connection)
Process connection tag (contains process connection related information)
Technical data
11.6 Process
SITRANS LR260 with mA/HART
128 Operating Instructions, 11/2019, A5E32337683-AD