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Technical specifications
Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves the
right to change them at any time.
Note
Device-specific approvals
Always refer to nameplates on the device for device-specific approvals.
Note
Power
Nominal 24 V DC at maximum 550 Ohm. For other configurations, see Loop power in
Technical reference appendix of full operating instructions.
9.1
Power
Supply voltage
Signal range
Startup current
SITRANS Probe LU240 with Explosion protection Ex ia
U
(Input voltage)
i
I
(Input current)
i
P
(Input power)
i
C
(Effective inner capacitance)
i
L
(Effective inner inductance)
i
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 09/2021, A5E42673704-AE
30 V DC maximum
4 to 20 mA
3.6 mA maximum
30 V DC maximum
120 mA DC maximum
0.8 W
0 nF
0 mH
9
47
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