Important
Install drain seals if required for severe environments or to satisfy
code requirements.
6. Screw the connection head to the sensor.
7. Attach the sensor lead wires to the connection head terminals.
8. Attach additional sensor lead wires from the connection head to the
transmitter.
9. Attach and tighten the connection head cover.
Important
Enclosure covers must be fully engaged to meet explosion-proof
requirements.
10. Set the transmitter failure mode switch.
11. Attach the sensor wires to the transmitter.
See Wire and apply power
Quick Start Guide April 2019
18 Rosemount 644H and 644R