Siemens SITRANS Probe LU Kurzanleitung Seite 160

Loop Voltage versus Loop Resistance
Page A-4
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Power Supply Requirements
1000
900
800
700
600
500
400
(17.8v, 300 ohms)
300
RL=272.7*VL - 4554.1
200
100
(16.7v, 0 ohms)
0
10.00 15.00
SITRANS Probe LU (HART) – QUICK START MANUAL
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(30.0v,845 ohms)
RL=44.6*VL - 493.4
ALLOWABLE OPERATING
AREA
20.00 25.00
Loop Voltage-V
L
(Source voltage)
30.00
A5E32168031