Emerson Rosemount 3900 Quick Start Manual page 8

Ph/orp sensors

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Quick Start Guide

Install retractable sensor with an insertion adapter

Figure 2-4: Insertion adapter (PN 23166-00 or PN 23166-01) with

Rosemount retractable sensor

A. 1-in. NPT

B. Ferrule fitting process connector assembly: PN 23166-00 or PN

23166-01

C. Sensor body

Procedure

1. Slide the fitting onto the sensor from the back of the sensor.

Install the threads facing forward for insertion installations.

Install the threads facing backward for connection to a

submersion pipe.

2. Connect the NPT threads on the adapter to the process piping

or submersion pipe.

3. Adjust the position of the fitting on the sensor to achieve the

desired sensor insertion length.

4. While holding the sensor in position, tighten the hex nut of the

male connector to firmly secure the sensor in place.

NOTICE

Over-tightening the hex nut may damage the ferrule.

When you tighten the hex nut, the PTFE ferrule inside the

compression fitting clamps the sensor tube.

May 2023

Emerson.com

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