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: +1.801.763.1600 • Telefax: +1.801.763.1010 • E-mail: support@hartscientific.com
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
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