Temperature Derating Curve - Siemens SITRANS LR560 Operating Instructions Manual

Temperature derating curve

WARNINGS:
• Never attempt to loosen, remove or disassemble process connection
or instrument housing while vessel contents are under pressure.
• This product is NOT intended for use as a safety device for Directive
97/23/EC.
• The user is responsible for the selection of bolting and gasket
materials which will fall within the limits of the flange and its intended
use and which are suitable for the service conditions.
• Improper installation may result in loss of process pressure and/or
release of process fluids and/or gases.
1)
ambient temperature
–40 °C to +80 °C
(–40 °F to +176 °F)
process temperature
–40 to +100 °C (–40 to +212 °F) or
–40 to +200 °C (–40 to +392 °F) depending on the version
1)
The process pressure boundary assembly comprises the components that act as a barrier
against pressure loss from the process vessel: that is, the combination of process connec-
tion body and lens.
Page 142 SITRANS LR560 (mA/HART) – OPERATING INSTRUCTIONS A5E34647946