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Precision RTD Freezer Probe  

Specifications

3

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 

[1] 

±0.1 °C at 0.010 °C

Hysteresis

±0.01 °C maximum

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 in)

Lead-wire Cable Type

Teflon™ -insulated, 22 AWG, Silver-plated Stranded 

Copper

Lead-wire Length

609.6 cm (240 in)

Calibration

Includes Manufacturer’s NVLAP-Accredited 

Calibration

[1]

  

After 100 hours at maximum temperature.

[2]

  

Temperatures outside this range will cause irreparable damage. 

[3]

  

Per ASTM E 644

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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