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Thomas ABS Plastic Traceable Refrigerator and Freezer Thermometer, with Bottle Probe, -58 to 158 degree F, -50 to 70 degree C

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Specifications for this item
Number of Items
Overall Width
2.75  inches
Measurement Type
Material Type
ABS (Acrylonitrile Butadiene Styrene)
Part Number
Temperature Range
-58/158  Degrees Fahrenheit
Brand Name
Upper Temperature Range
158  Degrees Fahrenheit
Maximum Measurement
Overall Length
4.25  inches
LowerTemperature Range
-58  Degrees Fahrenheit

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Key Features

  • Dual-range digital thermometer with alarm for monitoring temperature in freezers, refrigerators, incubators, water baths, and heating blocks
  • Measures temperature from -50 to 70 degrees C (-58 to 158 degrees F, with an accuracy of + or - 1 degree C
  • Glycol-filled bottle probe with 10 ft. cable thin enough to be closed in a refrigerator door
  • Minimum/Maximum temperature memory and programmable temperature alarm for monitoring accuracy of refrigeration temperatures
  • Calibrated to ISO 17025 traceability standards for reliability of measurements

Package Details

Shipping Weight: 0.55 pounds
Package Size: 8.2 x 4.7 x 2.4 inches

Product Description

The Thomas Memory Monitoring Refrigerator and Freezer Thermometer is a digital thermometer used for monitoring the temperatures in freezers, refrigerators, incubators, water baths, and heating blocks. The thermometer measures temperature from -50 to 70 degrees C (-58 to 158 degrees F, with an accuracy of + or -1 degree C. The 1 inch by 2.5 inch bottle probe is filled with a nontoxic glycol solution that is generally recognized to be safe around food. The bottle and glycol solution insulate the sensor from sudden temperature changes. The probe is attached with a 10 ft. micro cable, which can be shut in a refrigerator door without creating a gap. The thermometer memory stores minimum/maximum values and has a temperature alarm that can be programmed to indicate audibly and visually when the temperature exceeds a maximum or minimum value. The alarm will continue to sound even when the temperature returns to the set range, until it is turned off. This thermometer is traceable to National Institute of Standards and Technology, indicating that it is calibrated to International Organization for Standardization (ISO) 17025 levels. The Thomas Memory Monitor Thermometer is used in food storage, scientific laboratories, and other industries that require temperature monitoring.


Temperature range-50 to 70 degrees C (-58 to 158 degrees F)
Accuracy+ or - 1 degree C
Resolution1 degree C/1 degree F
Bottle probe length2.5"
Probe diameter1"
Cable length10 ft.
Standard metInternational Organization for Standardization (ISO) 17025
Weight4 oz.
Dimensions (H x W x D)4.25 x 2.75 x 0.75 inches

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Digital thermometers are instruments used to measure the temperature of air, liquids, or surfaces electronically. They may measure temperature in Celsius, Fahrenheit, or both. Most digital thermometers use thermistors, which are small electronic resistors. Thermistors are made out of metals that conduct electricity within a certain range and become more conductive the warmer they get. A microcontroller inside the thermometer measures this electrical conductivity and converts it to a temperature, which is displayed on an LCD. Digital thermometers are used in a wide range of applications, including in laboratory settings, food service and storage, and in doctors' offices and hospitals.

Thomas Scientific manufactures lab supplies, equipment, chemicals, and instruments for scientific research. It is a registered contractor for the United States Federal Government. The company was founded in 1899 and is headquartered in Philadelphia, PA.

What’s in the Box?
  • Thomas Memory Monitoring Refrigerator and Freezer Thermometer
  • Bottle probe
  • Flip-open stand
  • Velcro mounting strips
  • Magnetic mounting strips
  • Traceable certificate
  • Instructions

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