Fluke 5626/5628 User Manual

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Summary of Contents

Page 1 - 5626/5628

5626/5628Platinum Resistance ThermometerUser’ s GuideRev. 532801Hart Scientific

Page 2 - Rev. 532801

Phone: +86-10-6-512-3436Telefax: +86-10-6-512-3437E-mail: [email protected] South East Asia Pte Ltd.Fluke ASEAN Regional OfficeService Cent

Page 3 - Table of Contents

2 Introduction2.1 GeneralThe Hart Platinum Resistance Thermometers (PRT) models 5626 and 5628,are designed to be the best secondary standard interpola

Page 4

calibrated using a primary standard that has been calibrated in a primarycalibration laboratory using known intrinsic values.2.3 CalibrationIn order f

Page 5

3 Specifications and Warranty3.1 SpecificationsSee Table 2 and Figure 2.73Specifications and Warranty5626 5628Temperature Range –200°C to 661°CRtp100Ω

Page 6

3.2 ConstructionThe Model 5626 and 5628 PRTs cover the range from –200°C to 661°C. Thesensor elements are crafted using high purity platinum wire woun

Page 7 - 1 Before You Start

4 Installation4.1 Environmental IssuesIdeally, temperature calibration equipment should be used in a calibrationlaboratory or other facility specifica

Page 8 - 1.2 Safety Information

5 PRT Care and HandlingGuidelines5.1 PRT CareCAUTION: READ THIS SECTION BEFORE REMOVING THE PRTFROM THE SHIPPING BOX OR CASEThe 5626 and 5628 Platinum

Page 9 - Before You Start

•DO allow sufficient time for the thermometer to stabilize before makingmeasurements. This allows for the best accuracy.•DO use the correct drive curr

Page 10 - • Model Number

6 Operation6.1 GeneralFor best results, be familiar with the operation of the heat source and theread-outinstrument.Besuretofollowthe manufacturer’s i

Page 11 - 2 Introduction

6.4 Thermal EMFTwo factors contribute to thermal EMF, chemical consistency and physicalconsistency. Variations in chemical structure due to impurities

Page 12 - 2.4 Recalibration

Rev. 532801Fluke Hart Scientific • 799 E. Utah Valley Drive • American Fork, UT 84003-9775 • USAPhone: +1.801.763.1600 • Telefax: +1.801.763.1010 • E-

Page 13 - 3 Specifications and Warranty

7 Accessories7.1 Case OptionsThe 5626/5628 PRT comes in a rigid case appropriate for the length of theprobe.•Model Number 2601 PRT Protective Case for

Page 14 - 3.4 Warranty

8 Troubleshooting8.1 TroubleshootingIn the event that the probe appears to function abnormally, this section maybe of use in solving the problem. Seve

Page 15 - 4 Installation

Problem Causes and SolutionsTemperature readout differ-ent than expected, e.g. theheat source is set at 300°C,the PRT measures 275°C.•Measure the PRT

Page 16 - Guidelines

Table of Contents1 Before You Start . . . . . . . . . . . . . . . . . . . . . . 11.1 Symbols Used . . . . . . . . . . .

Page 17 - User’s Guide

7.1 Case Options . . . . . . . . . . . . . . . . . . . . . . . . . 157.2 PRT Termination . . . . . . . . . . . . .

Page 18 - 6 Operation

iiiFiguresFigure 1 Hart Model 5626 and 5628 Platinum Resistance Thermometers. . . . . . 5Figure 2 Standard Dimensions. . . . . . . . . .

Page 19 - 6.4 Thermal EMF

ivTablesTable 1 International Electrical Symbols . . . . . . . . . . . . . . . . . . . . . . 1Table 2 Specifications. . . . .

Page 20 - 7.2 PRT Termination

1 Before You Start1.1 Symbols UsedTable 1 lists the International Electrical Symbols. Some or all of these sym-bols may be used on the instrument or i

Page 21 - 8 Troubleshooting

Symbol DescriptionCanadian Standards AssociationOVERVOLTAGE (Installation) CATEGORY II, Pollution Degree 2 perI E C1010-1 refers to the level of Impul

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•DO NOT drop or bang the probe in any way. This will cause damage tothe probe internally and affect its calibration.•Read Section 5 entitled “PRT Care

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