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Traceable® Digital Bottle Refrigerator/Freezer Thermometer


Traceable® Digital Bottle Refrigerator/Freezer Thermometer accurately monitors temperatures in freezers, refrigerators, incubators, and environmental chambers with this temperature-buffered sensor. Bottle and solution insulate sensor from rapid changes, as an example, when a refrigerator door is opened. Solution mimics exact temperature of samples. Stainless-steel sensor/probe assures long product life. Entire unit is waterproof. Chemical-resistant ABS plastic holder stands on a shelf or holder affixes to a refrigerator wall or any wall. Bottle may be removed from holder.

  • Min/Max memory
  • °C/°F switchable

Solid-state probe eliminates the difficulty with mercury thermometer contamination. Probe is sealed in a miniature bottle filled with nontoxic glycol. Solution is GRAS (generally recognized as safe) by the U.S. FDA. It eliminates concerns about incidental contact with food or drinking water. (Also available with glass bead fill.)

Multi-point calibration on an individually-numbered Traceable® Certificate which assures accuracy from our ISO/IEC 17025:2017 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.

Part Number: 4426
Attribute nameAttribute value


Temperature Range :–20 to 50°C (–4 to 122°F)
Temperature Resolution :0.1°
Temperature Accuracy :±0.5°C Between 0° to 50°C ; Otherwise ±1°C
Dimensions :Unit: 1⅞" x 1" x 4⅝"; Holder: 2¼" x 2¼" x 1⅛"; Probe: 1 x 2½"