McKesson Brand McKesson Refrigerator/Freezer Thermometer, Digital Display, -58° – +158° F Range

• Certified, serialized and traceable and has been tested against a standard, calibrated at the National Institute of Standards and Technology (NIST).
• Temperature-certified to monitor refrigerators or freezers
• Probe is housed in a 5 mL, unbreakable plastic vial filled with a Bio-Safe Glycol / Water medium and allows internal or external sensor reading display.
• Alarm display with real time and date stamp, low / high limit settings, with visual, flashing LED light and audible beeping indicators
• Optional display formats for time, date, °C / °F
• Flip-out desk stand, wall-mounting key hole and magnetic and hook-and-loop attachments allow multiple mounting options.