McKesson Refrigerator / Freezer Thermometer, Digital Display, -58° to +158°F Range 1074438

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