Waterproof Type K Thermometer reads from -200 to 1300°C with a resolution of 0.1° and 1°. Switches from F to C at the touch of a button. Jumbo-size, 5/8-in-high digits are readable from 10 ft away. Back-lighting button permits reading in dark areas. Unit features HOLD button that freezes display to capture current reading. Battery powers unit for 1 year of routine use. The technically advanced, fast reading thermometer is also easy to use. A microprocessor updates the display 2.5 times per second. Rugged unit is constructed of shock-resistant ABS plastic. Waterproof design stops dirt, dust, fumes, and water — suitable for use in the lab’s worst environment. Meter only accuracy: ±0.3% of the reading plus 1°C between -200 to 1000°C, otherwise 0.5% of the reading plus 1°C.