Fisher 244EH, 244ER manual Section, Introduction, Safety Messages

Section

1 Introduction

SAFETY MESSAGES

Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-1 Transmitter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-1 Manual Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-2 Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 1-3

Procedures and instructions in this manual may require special precautions to ensure the safety of the personnel performing the operations. Information that raises potential safety issues is indicated by a warning symbol (). Refer to the safety messages listed at the beginning of each section before performing an operation preceded by this symbol.

Failure to follow these installation guidelines could result in death or serious injury.

•Make sure only qualified personnel perform the installation.

TRANSMITTER OVERVIEW Thank you for choosing the Model 244E. Features of the Model 244EH and Model 244ER transmitters include:

•Configuration using the Model 244EC Configuration Interface and a Microsoft® Windows®-based PC running the Models 244EH and 244ER Configuration Software

•The ability to convert RTD and thermocouple inputs to 4–20 mA, 2-wire outputs that are less susceptible to electrical noise

•The capability to linearize RTD and thermocouple inputs with temperature

•Electrical input-output isolation

•Electronics that are completely encapsulated in epoxy and enclosed in a metal housing, making the transmitter extremely durable and ensuring long-term reliability

•A compact size and two housing options allowing mounting flexibility for the control room or the field

Rosemount Inc. has a full range of compatible connection heads, sensors, and thermowells to provide complete assemblies for process temperature measurements. Refer to Volume 1 of the Rosemount Temperature Sensors and Assemblies Product Data Sheet (document number 00813-0100-2654) for thread mount sensors and accessories, or refer to Volume 2 (document number 00813-0100-2654) for DIN-style sensors and accessories.

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