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Reference Manual
00809-0700-4530, Rev AA
Section 2: Installation Considerations
September 2013
Installation considerations
Rosemount design advantages
Rosemount 5300 GWR extreme temperature and pressure probes are designed to prevent
leakage and perform reliably when exposed to extreme process conditions for extended periods
of time. Materials are selected to avoid stress fractures commonly induced by changes in
temperature and pressure conditions.
The robustness of the probes and materials means high safety for these extreme temperature
and pressure applications.
Figure 2-3. Probe with reference reflector marked “VC2” for recognition
The GWR probe design provides multiple layers of protection
Figure 2-4. HTHP seal
Brazed hermetic/gas-tight ceramic seal is
isolated from the process and is unaffected
by temperature shocks, vibrations and
outside forces on the probe
Flexible probe load and locking system
with active springs and PTFE frame,
compensates for stress and protects the
ceramics
Drip-off sleeve for condensation and
dirt protection
Spacer, one used near the top of
the probe and one further down
if the probe is longer than
79 in. (2 m)
Reference reflector
The solution for 3
and 4 inch chambers
has an outer pipe
around the rod
Ceramic insulators
and graphite
gaskets provide a
robust thermal
and mechanical
barrier and offer
chemical
resistance
Reference reflector
Illustration of the
solution for 2 inch
chambers