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Install The Sensor - Emerson Rosemount 628 Quick Start Manual

628 universal gas sensor

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May 2023
2 

Install the sensor

The sensor is held in place using a tight-fitting seal and snap
connections. The sensor is connected to the transmitter by two
latching tabs that fit into the bottom portion of the housing as shown
in Figure 2.1. The seal between the transmitter housing and the
sensor assembly is designed to achieve a snug, airtight fit between
the two assemblies when properly installed.
Procedure
1. Remove the sensor from its packaging.
2. If installing a sensor on the transmitter for the first time, then
remove the protective plastic cap from the sensor housing at
the bottom of the transmitter.
3. Before installing the module into the transmitter, confirm the
keying feature is aligned by rotating it into position.
4. Slide the sensor assembly up into the transmitter housing until
it is completely seated.
Note
The sensor contains a keying feature ensuring it cannot be
forced into the transmitter housing in an incorrect alignment.
Quick Start Guide
Quick Start Guide
7

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