H-B DURAC Calibrated Electronic Thermometer with Stainless Steel Probe; -50/300C (-58/572F), 64 x 95mm (B60900-0700) Dual-range digital thermometer measures temperature in laboratories, food processing, refrigerators, and freezers Measures temperature from -50 to 300 degrees C (-58 to 572 degrees F), with an accuracy of + or - 0.5 degrees C from -20 to 70 degrees C, + or - 1 degree C 70 to 120 degrees C, + or - 2 degrees from -50 to -20 C and from -20 to -50 degrees C, and + or - 3 degrees C from 200 to 300 C 150mm/6" stainless steel probe attached to unit with 1.5m/4.9 ft. stainless steel cable 99-hour countdown timer and user-selectable high/low temperature alarm for long-term temperature monitoring Calibrated to ISO 17025 traceability standards for reliability of measurements