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Summary of Contents for Fluke Hart Scientific 5623A
- Page 1 Hart Scientific 5623A Platinum Resistance Thermometer User’s Guide Rev. 5A1101...
- Page 2 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...
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Page 3: Table Of Contents
Table of Contents 1 Before You Start ......1 1.1 Symbols Used ........1 1.2 Safety Information . - Page 4 Figures Figure 1 PRT Schematic ......... 9...
- Page 5 Tables Table 1 International Electrical Symbols ....... . 1 Table 2 Specifications .
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Page 6: Before You Start
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 5623A Description AC (Alternating Current) AC-DC Battery CE Complies with European Union Directives... -
Page 7: Safety Information
1 Before You Start Symbol Safety Information Use this instrument only as specified in this manual. Otherwise, the protection provided by the instrument may be impaired. The following definitions apply to the terms “Warning” and “Caution”. “Warning” identifies conditions and actions that may pose hazards to the user. “Caution”... -
Page 8: Hart Scientific Authorized Service Centers
Hart product: Hart Scientific, Inc. 799 E. Utah Valley Drive American Fork, UT 84003-9775 Phone: +1.801.763.1600 Telefax: +1.801.763.1010 E-mail: support@hartscientific.com Fluke Nederland B.V. Customer Support Services Science Park Eindhoven 5108 5692 EC Son NETHERLANDS Phone: +31-402-675300 Telefax: +31-402-675321 E-mail: ServiceDesk@fluke.nl... - Page 9 1 Before You Start Fluke South East Asia Pte Ltd. Fluke ASEAN Regional Office Service Center 83 Clemenceau Avenue #15-15/06 Ue Square 239920 SINGAPORE Phone: +65-737-2922 Telefax: +65-737-5155 E-mail: antng@singa.fluke.com When contacting these Service Centers for support, please have the following information available: •...
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Page 10: Introduction
The Platinum Resistance Thermometers (PRT) model 5623A is designed to be a secondary standard interpolating instrument converting temperature to resis- tance. The 5623A assembly design allows for exposure to very cold tempera- ture (–200°C) and is an ideal reference for verification, monitoring or calibrating control sensors in located in freezers or incubators. -
Page 11: Specifications And Warranty
Hart will repair the product and bill the pur- chaser for the reasonable cost of repair. 5623A –200°C to 156°C –200°C to 156°C ±0.05°C (full range) <±0.01 at 0°C per year, when used periodically at 200... -
Page 12: Specifications And Warranty
3 Specifications and Warranty To exercise this warranty, the purchaser must forward the product after calling or writing an Authorized Hart Scientific Service Center (see Section 1.3 on page 3) for authorization. The Service Center assumes NO risk for in-transit damage. -
Page 13: Installation
Installation Lead Wire Identification The 5623A PRT is equipped with a four-wire cable (see Figure 1). Four lead wires are used to cancel lead wire resistance. For best results, the readout de- vice should be equipped to handle four-terminal resistors. -
Page 14: Prt Care And Handling Guidelines
• DO allow sufficient time for the thermometer to stabilize before making measurements. This allows for the best accuracy. • DO use the correct drive current with the thermometer to prevent error in temperature or resistance. Hart Scientific recommends 1mA. - Page 15 5 PRT Care and Handling Guidelines • DO NOT screw a clamp down so tight that it dents the sheath. This can permanently damage the PRT. Hart Scientific...
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Page 16: Operation
114 mm (4.5 inches). This error is due to heat lost or gained by the sensing element through the thermometer stem. In addition, heat losses occur due to radiation losses from the sensing element to the housing. -
Page 17: Troubleshooting
Temperature readout different than expected, e.g. the heat source is set at 150°C, the PRT measures 125°C. 5623A Causes and Solutions • Mechanical shock can cause temperature errors as great as 0.5°C. If this is observed, first measure and record the R •...
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