Hazard Analysis Critical Control Point (HACCP) ThermometerThis IP67 Waterproof Thermometer is designed for food safety in compliance with HACCP principles. The LCD flashes red to indicate the temperature range in which bacteria may grow (4 ~ 60C & F). Readings outside that range are safe as indicated by a flashing green LCD. The user can also program an audible alarm when any temperature is exceeded. The PT100 penetration probe offers the highest accuracy even at very low temperatures and a response time of