Emerson Rosemount 3900 Quick Start Manual page 3

General purpose ph/orp sensors

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November 2020

WARNING

Pressure and temperature

Before removing the sensor, be absolutely certain that the process pressure is reduced to 0 psig

and the process temperature is lowered to a safe level.

Do not insert or retract retractable sensors when process pressures are in excess of 64 psig (542

kPa) for option 21 or 35 psig (343 kPa) for option 25.

WARNING

Corrosive substance

The solution used during calibration is an acid; handle it with care.

Follow the directions of the acid manufacturer.

Wear the proper protective equipment.

Do not let the solution come into contact with skin or clothing.

If contact with skin is made, immediately rinse with clean water.

WARNING

Physical access

Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end

users' equipment. This could be intentional or unintentional and needs to be protected against.

Physical security is an important part of any security program and fundamental to protecting your

system. Restrict physical access by unauthorized personnel to protect end users' assets. This is true for

all systems used within the facility.

CAUTION

Special conditions for safe use

All pH/ORP sensors have a plastic enclosure which must be cleaned with a damp cloth to avoid the

danger due to a buildup of electrostatic discharge.

CAUTION

Sensor/process application compatibility

The wetted sensor materials may not be compatible with process composition and operating

conditions.

Application compatibility is entirely the operator's responsibility.

Contents

Install........................................................................................................................................... 5

Calibrate and maintain............................................................................................................... 22

Accessories................................................................................................................................ 25

Quick Start Guide

Table of Contents

Rosemount 3900vp