About This Guide - Emerson Rosemount 644 Quick Start Manual

April 2023
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About this guide

This guide provides basic guidelines for installing the Rosemount
644 Temperature Transmitter. It does not provide instructions
for detailed configuration, diagnostics, maintenance, service,
troubleshooting, or installation. Refer to the Rosemount 644
Reference Manual
are also available electronically on Emerson.com/Rosemount.
Safety messages
WARNING
The products described in this document are NOT designed for
nuclear-qualified applications.
Using non-nuclear qualified products in applications that require
nuclear-qualified hardware or products may cause inaccurate
readings.
For information on Emerson nuclear-qualified products, contact your
local Emerson Sales Representative.
Follow instructions
Failure to follow these installation guidelines could result in death or
serious injury.
Ensure only qualified personnel perform the installation.
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 in protecting your system. Restrict physical access by
unauthorized personnel to protect end users' assets. This is true for
all systems used within the facility.
Quick Start Guide
for more instruction. The manual and this guide
Quick Start Guide
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