McKesson UltraLow Temperature Data Logger with Alarm

McKesson's Ultra Low Dual Probe data logging thermometer boasts of high accuracy.Thermometer measures external temperatures ranging from -112 to 158° F (-80 to 70° C) and internal temperatures ranging from 32 to 122° F (0 to 50° C).About 24 million readings logging.Dual probe, monitor refrigerator and freezer simultaneously.Ultra-Low thermometer can measure down to -80° C.Minimum and maximum reading maintained in memory.User-configurable low/high alarm limits setting.Flashing LED alarm indicator.Real time display.Waterproof external sensors.Low battery indication.Removable SD card..csv file data format.Optional external power supply.