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Fisher Scientific™ Traceable™ Hi-Accuracy 0.1° Refrigerator Thermometer

For monitoring temperatures in refrigerator and freezer simultaneously or two refrigerator locations. Fisher Scientific Traceable Hi-Accuracy Refrigerator Thermometer permits user one-button self-calibration which reads to 0.01° while simultaneously monitoring temperatures in refrigerator and freezer.

Manufacturer:  Fisher Scientific™ 4239FE

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Catalog No. S98174


Includes: Two AA batteries for continuous, one-year, always-on monitoring; bottle probe(s)



Thermometer, Refrigerator; Fisher Scientific; Traceable; Hi-Accuracy; 0.01°; Triple display; Two visual LEDs and audio alerts; 10 ft. micro-cable; Temperature buffered bottle sensor; Range: -58° to 158°F; 2 bottle probe

Triple display simultaneously shows minimum/maximum and current temperatures where minimum/maximum monitors readings overnight, on weekends or for any time period, and displays the exact time and date.

  • Temperature-buffered bottle sensor
  • Two visual (LEDs) and two audio alerts when temperature rises above or falls below high/low set points
  • Programmable alarms in 0.10° increments
  • Miniature bottle sealing: 1 × 2.5 in. (2.5 × 6.3cm) filled with nontoxic glycol
  • High-impact, chemical-resistant ABS plastic case
  • Stand, Velcro™, magnetic strips, and wall mount allow placement of thermometer anywhere
  • Used in water baths, heating blocks and incubators


  • Range: -58 to +158°F and -50 to +70°C
  • Resolution: 0.01°
  • Accuracy: ±0.3°C
  • Weight: 5 oz. (141g)


Individually serial-numbered Traceable™ Certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA™. It indicates traceability to standards provided by NIST™.

Description & Specifications


0.19 in.
0.75 in.
Two AA batteries for continuous, one-year, always-on monitoring, 2 bottle probes
120 in.
-50° to +70°C
ISO 17025, A2LA, NIST
4.5 x 2.75 x 0.75 in. (11.4 x 6.9 x 1.9cm)
Monitoring temperature in refrigerator and freezer simultaneously or two refrigerator locations
4.5 in.
0.7 in.
ABS Plastic
-58° to +158°F
5 oz.
2.75 in.