Emerson Rosemount 2051 Reference Manual page 37

Reference Manual
00809-0100-4107
Rotate housing
You can rotate the electronics housing up to 180 degrees in either direction to improve
field access to wiring or to better view the optional LCD display.
Procedure
1. Loosen the housing rotation set screw using a 5/64-inch hex wrench.
2. Rotate the housing clockwise to the desired location.
3. If the desired location cannot be achieved due to thread limitation, rotate the
4. Retighten the housing rotation set screw to no more than 7 in.-lbs. when desired
Electronics housing clearance
Mount the transmitter so the terminal side is accessible.
To remove the cover, ensure there is clearance of 0.75 in. (19 mm). Use a conduit plug in
the unused conduit opening. You need 3 in. (76 mm) of clearance to remove the cover if a
meter is installed.
Environmental seal for housing
NOTICE
For NEMA
male threads of conduit to provide a watertight seal.
Always ensure a proper seal by installing the electronics housing cover(s) so that metal
contacts metal.
Use Rosemount O-rings.
Flange bolts
Emerson can ship the Rosemount 2051 with a Coplanar
installed with four 1.75-inch flange bolts.
Stainless steel bolts supplied by Emerson are coated with a lubricant to ease installation.
Carbon steel bolts do not require lubrication. Do not apply any additional lubricant when
Emerson.com
Figure 3-1: Housing rotation
A
A. Housing rotation set screw (5/64-in.)
housing counterclockwise to the desired location (up to 360° from thread limit).
location is reached.
4X, IP66, and IP68 requirements, use thread seal (PTFE) tape or paste on
®
Hardware installation
February 2024
flange or a traditional flange
™
37