2.7 Environmental seal for housing
Thread sealing (PTFE) tape or paste on male threads of conduit is required to
provide a water/dust tight conduit seal and meets requirements of NEMA
®
Type 4X, IP66, and IP68. Consult factory if other Ingress Protection ratings
are required. For M20 threads, install conduit plugs to full thread
engagement or until mechanical resistance is met.
2.8 Gage transmitter orientation
The low side pressure port (atmospheric reference) on the gage transmitters
with aluminum housings are located in the neck of the transmitter, behind
the housing. The vent path is 360° around the transmitter between the
housing and sensor. (See Figure 2-3.)
Keep the vent path free of any obstruction, including but not limited to
paint, dust, and lubrication by mounting the transmitter so that the process
can drain away.
Figure 2-3: Gage Low Side Pressure Port
A. Low side pressure port (atmospheric reference)
Quick Start Guide March 2022
8 Emerson.com/Rosemount
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