4227 Traceable® Refrigerator/Freezer Thermometer

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The Traceable Refrigerator/Freezer Plus thermometer offers accurate, state-of-the-art technology that fulfills CDC vaccine thermometer requirements. 

The Traceable thermometer ensures accurate readings in freezers, refrigerators, incubators, and water baths. The probe sensor is enclosed in a miniature bottle filled with non-toxic glycol solution, which allows it to mimic the temperature of the items in your refrigerator or freezer. This probe bottle also ensures that the unit won't be affected by sudden changes in temperature when the refrigerator door is open or closed. 


  • Temperature-buffered bottle insulates sensor from rapid temperature changes
  • Easily Switches from Farenheit to Celsius
  • Alarm sounds for abnormal temperature
  • NIST Certified


  • Range: -58° to 158°F
  • Resolution: 0.1°
  • Accuracy: ±.5°C 
  • Supplied with flip-open stand, wall mounting Velcro® and magnetic strips, Traceable® Certificate


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