Product Description

True North® Freezer Thermometer protects frozen and chilled samples from potential spoilage. Monitor temperatures inside your freezer or refrigerator with the added convenience of sound and flashing LED lights to alert out-of-range temperatures.


  • Provided suction cup attaches the probe inside freezer/refrigerator while the thermometer secures to the outside with hook-and-loop tape
  • Convenient, large digital display shows freezer/refrigerator temperature plus ambient temperature
  • Handy switches toggle for freezer or refrigerator monitoring in Fahrenheit or Celsius


  • Unit Measures: 5.35"L x 0.75"W x 1.10"H (136mm x 19mm x 28mm)
  • Probe Cable Measures: 35.43" (0.9m)
  • Probe Measures: 0.20" OD x 0.67" L (5mm OD x 17mm L)
  • Set Freezer Range: 14.9°F to -9.4°F (-9.5°C to -23°C)
  • Set Refrigerator Range: 35.6°F to 46.4°F (2°C to 8°C)
  • Battery: one AAA (included)


Manufacturer Heathrow Scientific
Actual Product Weight 0.20 lb
Overall Height 1.10"
Overall Length 5.35"
Overall Width 0.75"
Country of Manufacture China
Item Ships From Illinois


Return authorization must be requested from Customer Service within 30 days of product receipt. All returns will be subject to a minimum 20% restocking fee. All returns must be unopened, in their original condition and packaging. All sterilized items are not able to be returned. All unauthorized returns will be refused. All shipping fees are nonrefundable and remain payable by the purchaser.


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Customer Questions
Is this thermometer certified and calibrated?

This item is not certified or calibrated.

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