Readings are updated every second and displayed on a 3/8-inch LCD readout. Magnetic back allows for placement on a metal surface (incubators, freezers, water baths). Unit also incorporates flip-open easel for use on lab bench and spring fastener for clipping to any edge. Stainless-steel probe with piercing tip allows constant exposure to extreme temperatures at the ends of the range. To assure accuracy an individually serial-numbered Traceable® Certificate is provided from the manufacturer’s ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Full-Scale Thermometer model switchable temperature ranges are –58 to 500°F and –50 to 250°C. Resolution is 0.1° from –20° to 200 and 1° elsewhere. Full-Scale Thermometer Plus model switchable temperature ranges are –58 to 572°F and –50 to 300°C. Resolution is 0.1° from –20° to 200 and 1° elsewhere. Plus model also includes the following features: high/low alarm, minimum/maximum memories, and hold. Dimensions: Thermometer diameter 2.1 inches and 9/16-inch depth; probe length 5-3/4-inch and 0.14 inch diameter; 10 foot cable length. Supplied with a Traceable® Certificate and 1.5V silver-oxide battery for 1-1/2 years of continuous use. Replacement battery Cat. No. CON1039.