Datalogging Refrigerator / Freezer Thermometer with Alarm McKesson Fahrenheit / Celsius -50? to +158?F (-50? to +70?C) Flip-out Stand Battery Operated
Display shows current, min/max temperatures with a 10-second refresh rate, accuracy of ?0.5?C and a 0.1? display resolution
Certified, serialized and traceable and has been tested against a standard calibrated at the National Institute of Standards and Technology (NIST)
Waterproof, external bottle probe with 2000 mm cable monitors refrigerators or freezer temperatures from -22 to 158? F (-30 - 70? C)
Software-less reporting with minimum and maximum reading memories
Logs Data once per minute to once per 720 min according to user preference
Powered by three 1.5 V Type AA batteries (or equivalent) with a life of ~2000 hours in continuous operation when no alarm was triggered, and low-battery indications

 Brand: McKesson