ThermaGuard High Accuracy Certified Fridge / Freezer Alarm

Ensure that your chilled or frozen foods are within acceptable food safe limits with these ThermaGuard High Accuracy Certified Fridge/ Freezer Alarms. With programmable alarms and high accuracy to ±0.7°F (±0.4°C), make sure your your critical food inventories are being refrigerated or frozen well within food code requirements. Install ThermaGuard confidently with its NIST-traceable calibration certificate, so you know that your readings are accurate. Accurate to ±0.7°F (±0.4°C). Includes NIST-Traceable calibration certificate. The units feature a settable high/low audible alarm with a large display, you'll be able to read current temperatures from distance. A 3-year battery life is typical with two AAs.