Accurately monitor temperatures in refrigerators, freezers, water baths, heating blocks, and incubators with this enclosed, temperature-buffered sensor. Bottle insulates sensor from rapid temperature changes when refrigerator door is opened. Triple display simultaneously shows minimum, maximum, and current temperatures for specified probe. Designed to meet current CDC requirements for vaccine storage and monitoring. Smart-Alarm™ features visual and audible indicators that signal continuously until acknowledged, even if the parameter returns to the non-alarm range. Alarm is programmable in 0.1° increments.