The sensor may require a specific orientation to comply with Hazardous Area T-code
rating. Refer to the appropriate reference manual for any potential restrictions.
3.3 Sensor Installation
3.3.1 Flanged sensors
Gaskets
The sensor requires a gasket at each process connection. The gasket material must be
compatible with the process fluid and operating conditions. Gaskets are required on each
side of a grounding ring (see Figure 3-6). All other applications (including sensors with
lining protectors or a grounding electrode) require only one gasket on each process
connection.
Note
Metallic or spiral-wound gaskets should not be used as they will damage the liner face of
the sensor. If spiral wound or metallic gaskets are required for the application, lining
protectors must be used.
Figure 3-6: Gasket placement for flanged sensors
A
B
A. Grounding ring and gasket (optional)
B. Customer-supplied gasket
Reference Manual Sensor Installation
00809-0100-8782 November 2019
Reference Manual 17
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