ThermaGuard High Accuracy Certified Fridge / Freezer Alarm

ThermaGuard High Accuracy Certified Fridge/ Freezer Alarm Highly accurate to ±0.7°F (±0.4°C) Includes NIST-Traceable calibration certificate Settable high/low audible alarm Large display, read current temperatures from distance Constant Max/Min recorded temperature display Two models: 1-interal and 1-external sensor, or 2-external sensors 3-year battery life typical, 2 x AAs Made in the UK Keep chilled or frozen foods within acceptable food safe limits with ThermaGuard. With programmable alarms and high accuracy to ±0.7°F (±0.4°C), your critical inventories are maintained well within food code requirements. Install ThermaGuard confidently with its NIST-traceable calibration certificate, so you know that your readings are accurate.