# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

EMERSON Quick Start Guide Rosemount 248 Rail Mount Temperature Transmitter

Summary

The Rosemount 248 Rail Mount Temperature Transmitter is a robust industrial sensing device featuring HART 7 Protocol for accurate process monitoring. This Quick Start Guide provides essential basic guidelines covering initial mounting procedures and fundamental installation steps. It is designed for technical professionals needing rapid reference upon setup, directing advanced users to the full Reference Manual for detailed configuration, maintenance, or troubleshooting instructions.

📄 Preview 📖 Table of Contents Contents PAGE OF 28

Page 1 Text Content

Quick Start Guide 00825-0300-4825, Rev BA June 2022

Rosemount™ 248 Rail Mount Temperature Transmitter

with RK Option and HART® 7 Protocol

Page Summary Contents For EMERSON Quick Start Guide Rosemount 248 Rail Mount Temperature Transmitter

Page 1 Quick Start Guide 00825-0300-4825, Rev BA June 2022 Rosemount™ 248 Rail Mount Temperature Transmitter with RK Option and HART® 7 Protocol
Page 2 Quick Start Guide June 2022 Contents About this guide...........................................................................................................................3 Installation.............
Page 3 June 2022 Quick Start Guide About this guide This guide provides basic guidelines to install the Rosemount 248R Rail Mount Temperature Transmitter. It does not provide instructions for detailed config...
Page 4 Quick Start Guide June 2022 WARNING Physical access Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’ equipment. This could be intentional or uni...
Page 5 June 2022 Quick Start Guide Installation 2.1 Safety messages Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operations...
Page 6 Quick Start Guide June 2022 2.2 Connections Single input 2 w / 3 w / 4 w RTD TC (internal CJC or m V 3 w / 4 w or lin. R external 2 w / 3 w / potentiometer 4 w CJC)(1) (1) When using thermocouple inpu...
Page 7 June 2022 Quick Start Guide A. Power supply B. Connection C. Connection D. Connection E. 250 Ω < Rload < 1100 Ω F. Transmitter Quick Start Guide
Page 8 Quick Start Guide June 2022 Configuration 3.1 Safety messages Instructions and procedures in this section may require special precautions to ensure the safety of the personnel performing the operation...
Page 9 June 2022 Quick Start Guide HART communicator To get access to product-specific commands, the HART communicator must be loaded with Emerson's DDL driver. This can be ordered through either the Field C...
Page 10 Quick Start Guide June 2022 Mount the transmitter 4.1 Rail mount transmitter with remote mount sensor The least complicated assembly uses: a remote mounted transmitter an integral mount sensor with te...
Page 11 June 2022 Quick Start Guide Refer to Rosemount Metric Sensor Product Data Sheet for complete sensor and mounting accessory information. 4.2.1 Assemble the device To complete the assembly: Procedure 1....
Page 12 Quick Start Guide June 2022 Product certifications Rev: 1.1 5.1 European Directive information A copy of the EU Declaration of Conformity can be found at the end of the Quick Start Guide. The most rec...
Page 13 June 2022 Quick Start Guide Table 5-1: IS Input Parameters vs Temperature Range (continued) Input parameters Temperature Input parameters Temperature (Terminals 11, 12) range (Terminals 11, 12) range ...
Page 14 Quick Start Guide June 2022 3. The transmitter must be installed in suitable enclosure to meet installation codes stipulated in the Canadian Electrical Code (CEC) or for the US the National Electrical...
Page 15 June 2022 Quick Start Guide Table 5-4: IS Input Parameters vs Temperature Range (continued) Input parameters Temperature Input parameters Temperature (Terminals 11, 12) range (Terminals 11, 12) range ...
Page 16 Quick Start Guide June 2022 4. If the enclosure is made of non-metallic materials or of painted metal, electrostatic charging shall be avoided. 5. For Div 2/Zone 2 applications, the transmitter must b...
Page 17 June 2022 Quick Start Guide Pi per Channel Temperature class Maximum ambient temperature Special Conditions for Safe Use (X): 1. For all potentially explosive atmospheres, if the enclosure is made of ...
Page 18 Quick Start Guide June 2022 Supply/input to transmitter Temperature Maximum class ambient temperature Ex n A & Ex ec Ex ic Ex ic Single and dual input Li = 0 µH Ui = 48 VDC Ci = 1.0 n F Li = 0 µH ...
Page 19 June 2022 Quick Start Guide 5.7 International 5.7.1 I7 IECEx Intrinsic Safety Certificate IECEx DEK 21.0002X Standards IEC 60079-0:2011, IEC 60079-11:2011 Markings Ex ia IIC T6…T4 Ga Ex ib [ia Ga] IIC...
Page 20 Quick Start Guide June 2022 thicker than 0.2 mm (group IIC), or 2 mm (group IIB, IIA, I), or any thickness (group III), electrostatic charges shall be avoided. 2. For EPL Ga, if the enclosure is made ...
Page 21 June 2022 Quick Start Guide Table 5-8: Maximum Output of Transmitter Ex n A & Ex ec Ex ic Vmax = 7.2 VDC Uo = 7.2 VDC Io = 7.3 m A Po = 13.2 m W Lo = 667 m H Co = 13.5 µF Special Conditions for Sa...
Page 22 Quick Start Guide June 2022 Standards GB3836.1-2010, GB3836.4-2010, GB3836.8-2014, GB3836.20-2010 Markings Ex n A [ic Gc] IIC T6…T4 Gc Ex ic IIC T6…T4 Gc Special Condition for Safe Use (X): See certif...
Page 23 June 2022 Quick Start Guide 5.9 Declaration of conformity Quick Start Guide
Page 24 Quick Start Guide June 2022 Emerson.com/Rosemount
Page 25 June 2022 Quick Start Guide China Ro HS Quick Start Guide
Page 26 Quick Start Guide June 2022 Emerson.com/Rosemount
Page 27 June 2022 Quick Start Guide Quick Start Guide
Page 28 Quick Start Guide 00825-0300-4825, Rev. BA June 2022 For more information: Emerson.com ©2022 Emerson. All rights reserved. Emerson Terms and Conditions of Sale are available upon request. The Emerson ...

Manual Details

Brand Emerson
Pages 28
File Size 2.08 MB
Published June 05, 2026
55 views

Enter the captcha to get the download link:

captcha

Frequently Asked Questions

What warning precautions must be followed when working in an explosive atmosphere?

Do not remove the housing covers or operate the circuit while live. Ensure instruments are installed as per intrinsically safe practices.

I need detailed instructions for configuration and troubleshooting; where should I look?

This guide provides basic guidelines only. Please refer to the Rosemount 248R Temperature Transmitter Reference Manual for comprehensive details.

What safety steps must be taken regarding thermowells and process leaks?

Install and tighten all thermowells and sensors before applying pressure, and do not remove the thermowell while it is in operation.