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5623B

Users Guide

2

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” identifies conditions and actions that may damage the instrument being used.

arning  

W

To avoid personal injury, follow these guidelines:

DO NOT use this instrument to measure the temperature of any hazardous

live component (>30 V ac rms, 42 V ac peak, or 60 V dc).

Use of this instrument at high temperatures for extended periods of time can

cause the handle to become hot.

Follow all safety guidelines listed in the Users Guide.

Calibration Equipment should only be used by trained personnel.

• Use the Product only as specified, or the protection supplied by the Product

can be compromised.

DO NOT use the Product around explosive gas, vapor, or in damp or wet

environments.

Caution  

W

To avoid possible damage to the instrument, follow these guidelines:

DO NOT drop or hit the probe in any way. This will cause damage to

the probe internally and affect its calibration.

Read “PRT Care and Handling Guidelines” before removing the PRT

from the shipping box. Incorrect handling can damage the PRT and

void the warranty.

Keep the shipping container in case it is necessary to ship the PRT.

Incorrect packaging of the PRT for shipment can cause irreparable

damage.

Summary of Contents for 5623B

Page 1: ...1 Fluke Corporation All rights reserved Specifications subject to change without notice Users Guide All product names are trademarks of their respective companies Test Equipment Depot 800 517 8431 99...

Page 2: ......

Page 3: ...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...

Page 4: ...5623B Users Guide ii...

Page 5: ...iii List of Tables Table Title Table 1 International Electrical Symbols 1 Table 2 Specifications 3 Table 3 PRT Troubleshooting 6 Page List of Figures Figure Title Page Figure 1 PRT Schematic 4...

Page 6: ...5623B Users Guide iv...

Page 7: ...ed For information on recalibrating your 5623B contact Fluke for assistance see How to Contact Fluke Depending on the user s Quality Assurance requirements the PRT drift should be checked periodically...

Page 8: ...periods of time can cause the handle to become hot Follow all safety guidelines listed in the Users Guide Calibration Equipment should only be used by trained personnel Use the Product only as specif...

Page 9: ...Sheath Dimensions Length x Diameter 152 mm x 6 35 mm 6 in x 0 25 in Sheath Material Inconel 600 Transition Junction Temperature Range 2 100 C to 156 C Minimum Immersion Length 3 5 mK error 114 mm 4 5...

Page 10: ...Guidelines Keep the thermometer as clean as possible Immerse the thermometer in the appropriate liquid for the temperature range If a dry block is used the well diameter should allow the PRT to comfor...

Page 11: ...th required can be determined by performing a gradient test taking measurements approximately every 1 27 cm 0 5 in until there is a significant difference in readings Allow the thermometer to stabiliz...

Page 12: ...ood condition and the connections are good the PRT may be damaged Contact Fluke for assistance see How to Contact Fluke If the data is unstable at high temperatures it may be due to electrical noise i...

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