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Appendix A: Technical reference
A.4 Process Pressure/Temperature derating curves
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
249
EN1092-1, PN10/16: DN50, DN80, DN100, and DN150
①
Atmospheric
P
Allowable operating pressures
T
Allowable operating temperatures
A.4.5
Aluminum horn, with polypropylene lens antenna version with
polypropylene flange 3 inch/80 mm size only
①
Atmospheric
②
Allowable operating pressures
③
Allowable operating temperatures