Fluke 5623B-6-X Precision RTD Freezer Probe

Product Details

  • Manufacturer: Fluke

  • Model: 5623B-6-X

  • Description:

    5623B-6-X  Freezer Probe, RTD 1/4" dia. x 6", –100 to 156°C

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The 5623B, precision freezer probe," is specially sealed from the sensing element to the end of the probe cable, preventing ingress of moisture when exposed to temperatures as low as -100 C. The entire assembly withstands temperatures over its full range (-100 C to 156 C), which is ideal for verification of freezers or autoclaves where a thermo-well isn’t available. The 5623B assembly can be fully immersed in fluids when the application may require use in a liquid bath. The 5623B is available in a 6.35 mm (0.25 in) dia. 125 mm (6 in) long Inconel sheath. With accuracy (that includes calibration uncertainty and short-term drift) of 0.05 C over its full range, the 5623B is just right as a secondary standard for calibration of other process sensors.

Resistance  Nominal 100 Ω (± 0.1  Ω) 
Temperature Coefficient  0.003925  Ω/Ω/°C nominal 
Temperature Range  –100 °C to 156 °C 
Transition Temperature  –100 °C to 156 °C 
Drift Rate  ± 0.01 °C per year maximum at 0 °C, when used periodically at max temperature 
Sheath Material  Inconel 600 
Leads  PTFE-insulated, silver-plated stranded copper, 22 AWG. 
Termination  Specify. See Models and Accessories. 
Calibration  Includes manufacturer’s NVLAP-accredited, lab code 200706-0, calibration and table with R vs. T values in 1 °C increments from –80 °C to 156 °C. ITS-90 coefficients included. 
Calibrated Accuracy(k=2)  ± 0.05 °C over the full range 
Cable Length  6.1 meters (20 ft) 
Size  6.35 mm (0.25 in) dia. x 152 mm (6 in) 

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