True North® Freezer Thermometer
Protect frozen samples from potential spoilage
Monitor temperatures inside your freezer or refrigerator with the added convenience of sound and flashing LED lights to alert out-of-range temperatures. Provided suction cup attaches the probe inside freezer/ refrigerator while the thermometer secures to the outside with hook-and-loop tape. Convenient, large digital display shows freezer/ refrigerator temperature plus ambient temperature. Handy switches toggle for freezer or refrigerator monitoring and oF or oC. Also includes one AAA battery. Unit measures 136 x 19 x 28 mm; probe cable measures 0.9 m; probe measures 5mm OD x 17 mm L. Set freezer range: 14.9o to -9.4oF ( -9.5o to -23oC) ; set refrigerator range: 35.6o to 46.4oF ( 2o to 8oC) .