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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
5623B
Precision RTD Freezer Probe
Users Guide
2004, Rev. 1, 4/11
© 2004 - 2011 Fluke Corporation. All rights reserved. Specifications subject to change without notice.
All product names are trademarks of their respective companies.
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Related Manuals for Fluke 5623B
Summary of Contents for Fluke 5623B
- Page 1 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 TestEquipmentDepot.com 5623B Precision RTD Freezer Probe Users Guide 2004, Rev. 1, 4/11 © 2004 - 2011 Fluke Corporation. All rights reserved. Specifications subject to change without notice. All product names are trademarks of their respective companies.
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Page 3: Table Of Contents
Introduction .........................1 General ..........................1 Recalibration ........................1 Before You Start ........................1 Symbols Used .........................1 Safety Information ......................2 How to Contact Fluke .....................2 Specifications ........................3 Installation ..........................4 Lead Wire Identification ....................4 PRT Care and Handling Guidelines ..................4 Operation ..........................5 Immersion Requirements ....................5 Thermal EMF ........................5... - Page 4 5623B Users Guide...
- Page 5 List of Tables Page Table Title Table 1. International Electrical Symbols ....................1 Table 2. Specifications ..........................3 Table 3. PRT Troubleshooting .......................6 List of Figures Figure Title Page Figure 1. PRT Schematic ........................4...
- Page 6 5623B Users Guide...
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Page 7: Introduction
5623B may also be used as a temperature standard for calibration of industrial sensors. The PRT is used with a readout device to detect temperature changes or actual temperature. The 5623B covers the range from –100 °C to 156 °C. Standard length is 6 inches. Custom lengths are available on request. -
Page 8: Safety Information
5623B Users Guide 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. -
Page 9: Specifications
Precision RTD Freezer Probe Specifications Specifications See Table 2 for a list of the specifications. Table 2. Specifications Parameter Range Temperature Range –100 °C to 156 °C Nominal Resistance at 0.01 °C 100 Ω ±0.1 Ω Temperature Coefficient 0.003925 Ω/Ω/ °C Drift ±0.1 °C at 0.010 °C Hysteresis... -
Page 10: Installation
Installation Lead Wire Identification The 5623B 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 device should be equipped to handle four-terminal resistors. The lead wires are two different colors. Lead wire pairs attached to each end of the sensor are identified by red and white insulation. -
Page 11: Operation
Precision RTD Freezer Probe Operation Operation For best results, be familiar with the operation of the heat source and the readout instrument. Be sure to follow the manufacturer’s instructions for the readout instrument and the heat source. Immersion Requirements Stem effect can cause measurement errors for any thermometer not immersed in the fluid at least 114 mm (4.5 in). -
Page 12: Troubleshooting
If a problem arises, please read this section carefully and attempt to understand and solve the problem. If the probe seems faulty or the problem cannot otherwise be solved, contact Fluke for assistance (see “How to Contact Fluke”). Be sure to have the model number and serial number of your probe available.
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