Fisher Scientific Traceable Refrigerator / Freezer Thermometer-Refrigerator / Freezer Thermometer Fisherbrand Traceable Fahrenheit -58 to +158F (-50 to +70C) Bottle Probe Desk / Wall Mount Battery Operated

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High-accuracy dual thermometer permits user one-button self-calibration which reads to 0.01° while simultaneously monitoring temperatures in refrigerator and freezer Triple display simultaneously shows minimum or maximum and current temperatures where minimum/maximum monitors readings overnight, on weekends, or for any time period and displays the exact time and date Two AA batteries for continuous, one-year always-on monitoring Temperature buffered bottle sensor: 1 x 2.5 in. (2.5 x 6.3cm) filled with nontoxic glycol Two visual (LEDs) and two audio alerts when temperature rises above or falls below high/low setpoints High-impact, chemical-resistant ABS plastic case Stand, Velcro™, magnetic strips, and wall mount allow placement of thermometer anywhere Show more