Siemens SITRANS LR250 Guide De Mise En Service Rapide page 26

Curve 2: Flameproof,
Increased Safety,
Explosion-proof
Note: When using HART communications, the minimum voltage with 220 Ohms (RL) is 20.94
VDC.
Startup Behavior
• The device draws less than 3.6 mA at startup.
• Time to first measurement is less than 50 seconds
Page EN-24 SITRANS LR250 (HART) – QUICK START MANUAL
ALLOWABLE
OPERATING AREA
Loop Voltage – V
L
A5E31997170