Emerson Rosemount 848T, Reference Manual, Page: 9 / 136

Reference Manual
00809-0100-4697, Rev GA
Section 1: Introduction
November 2014
1
Introduction
Section 1 Introduction
1.1 Safety messages
Instructions and procedures in this section may require special precautions to ensure the safety
of the personnel performing the operations. Information that potentially raises safety issues is
indicated by a warning symbol ( ). Refer to the following safety messages before performing
an operation preceded by this symbol.
1.1.1 Warnings
1.2 Overview
1.2.1 Transmitter
The Rosemount 848T is optimal for process temperature measurement because of its ability to
simultaneously measure eight separate and independent temperature points with one
transmitter. Multiple temperature sensor types may be connected to each transmitter. In
addition, the 848T can accept 4-20 mA inputs. The enhanced measurement capability of the
848T allows it to communicate these variables to any F
OUNDATION
™
fieldbus host or
configuration tool.
1.2.2 Manual
This manual is designed to assist in the installation, operation, and maintenance of the
Rosemount 848T Temperature Transmitter.
Failure to follow these installation guidelines could result in death or serious injury.

Make sure only qualified personnel perform the installation.
Process leaks could result in death or serious injury.

Do not remove the thermowell while in operation. Removing while in operation may
cause process fluid leaks.

Install and tighten thermowells and sensors before applying pressure, or process
leakage may result.
Electrical shock could cause death or serious injury.

If the sensor is installed in a high voltage environment and a fault condition or
installation error occurs, high voltage may be present on transmitter leads and
terminals.

Use extreme caution when making contact with the leads and terminals.