Traceable® Waterproof Food Thermometer's membrane switches, ABS body, and stainless-steel probe make it ideal for food labs, food processing, food preparation, and brewing. Waterproof construction allows it to be used in labs, plants, wash-down areas, and the field. Unit eliminates the dangers inherent in breakable glass and toxic mercury thermometers. Range is -58 to 572°F and -50 to 300°C, resolution is 0.1° from -20 to 200° (1° otherwise), and accuracy is ±1.5°C. Ultra™ model accuracy is ±0.4°C at tested points. At the touch of a button, it displays minimum and maximum readings over any period. Unique holder allows probe to be positioned at any height while attached to beakers, stainless cylinders, or vats. Flat-profile design, weight of a single ounce, and built-in pocket clip make it ideal for carrying in a shirt pocket. Probe guard snaps to handle to extend overall length to 10-3\/4 inches. Readings are updated every second. To assure accuracy an individually serial-numbered Traceable® Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Supplied with probe holder, key chain, and lanyard. Large, bright LCD is 1\/4-inch-high. Operates continuously for 1-1\/2 years on supplied replaceable silver-oxide battery. Size: stem length, 3-1\/2 inches; stem diameter, 0.14 inches; overall length, 7-1\/4 inches. Weight is 1 ounce.