Technical Data - Siemens SITRANS LR250 Compact Operating Instructions

Technical data

Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves the
right to change them at any time.
For a complete listing, including Approvals, see the full operating instructions.
Note
● The maximum temperature is dependent on the process connection, antenna materials,
and vessel pressure. For more detailed information see Maximum Process Temperature
Chart, and Process Pressure/Temperature derating curves in the full operating instructions.
● Process temperature and pressure capabilities are dependent upon information on the
process connection tag. The reference drawing listed on the tag is available for download
from our website under More information > Installation drawings > Level Measurement >
SITRANS LR250:
Product page (http://www.siemens.com/LR250)
● Process connection drawings are also available on the Installation Drawings page.
● Signal amplitude increases with horn diameter, so use the largest practical size.
● Optional extensions can be installed below the threads.
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LR250 (mA/HART)
Compact Operating Instructions, 06/2018, A5E33469191-AB
Ambient temperature (surrounding enclosure)
‑40 to +80 °C (‑40 to +176 °F)
Device nameplate
Process connection tag (laser etching on antenna body replaces tag on Flanged and Hygienic
encapsulated antennas)
Device tag (optional)
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