Siemens Sitrans LR250 User Manual

Appendix A: Technical reference
A.4 Process Pressure/Temperature Derating Curves
SITRANS LR250 (PROFIBUS PA)
254 Operating Instructions, 08/2014, A5E32221386-AC
DIN 11864-2 Aseptic/Hygienic flanged: DN50, DN80, and DN100
①
Atmospheric
P
Allowable operating pressures
T
Allowable operating temperatures
Note
For pressure applications, all attachment hardware must be suitably rated.

Siemens Sitrans LR250 Specifications

General

Accuracy	± 2 mm
Power Supply	10.5 to 42 V DC
Measurement Principle	Radar
Process Temperature	-40 to +80 °C
Process Pressure	Up to 40 bar
Output Signal	4 to 20 mA HART
Communication	HART
Enclosure Rating	IP68
Housing Material	Aluminum, stainless steel