McKesson Brand MCK821RFV2 - McKesson Refrigerator / Freezer Thermometer, Digital Display, -58° to +158° F - 1/Each

The McKesson digital refrigerator / freezer thermometer lets you monitor refrigerators and freezers with two probes at the same time. A triple display shows high, low and current readings, and an alarm alerts you with light and sound. It reads in Fahrenheit or Celsius and offers several ways to mount it.

• Triple display shows high, low and current temperature, or high, low and current humidity, in multiple modes at the same time
• Certified, serialized and traceable, tested against a standard and calibrated at the National Institute of Standards and Technology (NIST)
• Temperature-certified with two probes, so you can monitor refrigerators and/or freezers simultaneously
• Dual-probe unit with probes housed in an unbreakable plastic vial filled with a Bio-Safe Glycol / Water medium
• Displays internal or external sensor readings
• Alarm display with real time and date stamp and low and high limit settings
• Alarm signals with a flashing LED light and audible beeping
• Mounting options: flip-out desk stand, wall-mounting key hole, magnetic attachment and hook-and-loop attachment
• Temperature range of -58° to +158°F (-50° to +70°C), shown in Fahrenheit / Celsius
• Accuracy of ± 0.3°C
• Response time: every 10 seconds
• Plastic case, digital display
• Battery operated
• Sold as 1 each

Check that the temperature range of -58° to +158°F (-50° to +70°C) covers the refrigerator or freezer you plan to monitor.