Fluke 5623A User Manual

5623A

Platinum Resistance Thermometer

User’s Guide

Hart Scientific

Rev. 5A1101

Fluke Corporation, Hart Scientific Division • 799 E. Utah Valley Drive • American Fork, UT 84003-9775 • USA
Phone: [phone] • Telefax: +1.801.763.1010 • E-mail: [e-mail]

www.hartscientific.com

Subject to change without notice. • Copyright © 2004 • Printed in USA

Rev. 5A1101

Table of Contents

1 Before You Start ............................1

1.1 Symbols Used ........................................1

1.2 Safety Information .....................................2

1.2.1 Warnings ...................................................2

1.2.2 Cautions ...................................................2

1.3 Hart Scientific Authorized Service Centers ..........................3

2 Introduction ..............................5

2.1 General ...........................................5

2.2 Recalibration ........................................5

3 Specifications and Warranty.......................7

3.1 Specifications ........................................7

3.2 Warranty ..........................................7

4 Installation ...............................9

4.1 Lead Wire Identification ...................................9

5 PRT Care and Handling Guidelines ...................11

5.1 PRT Care ..........................................11

5.2 PRT Handling Guidelines ..................................11

6 Operation ...............................13

6.1 General ..........................................13

6.2 Immersion Requirements ..................................13

6.3 Thermal EMF ........................................13

7 Troubleshooting ............................15

7.1 Troubleshooting ......................................15

i

Figures

Figure 1 PRT Schematic .........................................9

ii

Tables

Table 1 International Electrical Symbols ................................1

Table 2 Specifications .........................................7

iii

1 Before You Start

1.1 Symbols Used

Table 1 lists the International Electrical Symbols. Some or all of these symbols
may be used on the instrument or in this manual.

Table 1 International Electrical Symbols

Symbol Description

AC (Alternating Current)

AC-DC

Battery

CE Complies with European Union Directives

1 Before You Start

DC

Double Insulated

Electric Shock

Fuse

PE Ground

Hot Surface (Burn Hazard)

Read the User’s Manual (Important Information)

Off

On

5623A 1