Calibrated Ludwig Digital Min/max Alarm Thermometer 65809

High accuracy, calibrated digital thermometer, internal or external sensor reading, min/max thermometer with real-time date stamp, white case. Plug-in probe in 5 ml plastic bottle, filled with ethylene glycol mixture for measuring delay/alarm lag during opened door. Features include high accuracy, internal or external sensor reading, Min/Max reading memories with real-time and date stamp, low/high alarm limit settings, alarm displays with real-time and date stamp.