Emerson Rosemount 148 Reference Manual page 13

Reference Manual
00809-0100-4148
2.3.1 Head mount transmitter with DIN plate style sensor
This type of installation is typical in Europe and Asia Pacific.
Procedure
1. Attach the thermowell to the pipe or process container wall.
2. Install and tighten thermowells before applying process pressure.
3. Assemble the transmitter to the sensor.
4. Wire the sensor to the transmitter.
5. Insert the transmitter-sensor assembly into the connection head.
6. Slip the shielded cable though the cable gland.
7. Attach a cable gland into the shielded cable.
8. Insert the shielded cable leads into the connection head through the cable entry.
9. Connect and tighten the cable gland.
10. Connect the shielded power cable leads to the transmitter power terminals.
11. Install and tighten the connection head cover.
a) Push the transmitter mounting screws through the sensor mounting plate.
b) Insert the snap rings (optional) into the transmitter mounting screw groove.
a) Thread the transmitter mounting screw into the connection head mounting
holes.
b) Assemble the extension to the connection head.
c) Insert the assembly into the thermowell.
Avoid contact with sensor leads and sensor connections.
WARNING
Explosions
Make sure enclosure covers are fully engaged to meet explosion-proof
requirements.
Installation
June 2019
13