Maximum Process Temperature Chart - Siemens Sitrans LR250 Operating Instructions Manual

Maximum Process Temperature Chart

Flange Adapter versions of SITRANS LR250
WARNING: Internal temperature must not exceed 80 °C (176 °F).
Notes:
• The chart below is for guidance only:
• The chart does not represent every possible process connection arrangement. For
example, it will NOT apply if you are mounting SITRANS LR250 directly on a metallic
vessel surface.
• The chart does not take into consideration heating from direct sunshine exposure.
.
Maximum Process Temperatures versus allowable ambient
Process Temperature (
Where the chart does not apply, please use your own judgement regarding the use of
SITRANS LR250.
See Minimum Value (3.4.1.) on page 88 and Maximum Value (3.4.2.) on page 88 to monitor
the Internal Temperature.
If the internal temperature exceeds the maximum allowable limit, a sun shield or a longer
nozzle may be required.
Page 130 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
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