Comark model PDT300 is the original pen-style Digital Pocket Thermometer with the distinctive blue color. It is used by professionals in foodservice and food processing and in general industry around the world. The PDT300 is waterproof for use in damp and humid conditions (not dishwashers). The thin 1.5mm tip makes the unit extremely fast responding and meets all current FDA guidelines for testing thin meat patties. It has a range of -40 to 300F/-40 to 150C and an accuracy of ±2F/1C. Additional features are Field Calibratable, Data Hold, Auto Power Off to save battery life, BioCote antimicrobial protection and NSF (National Sanitation Foundation)certified.