Shirt pocket-size, Expanded-Range Thermometer is inexpensive Shockproof, pocket-size thermometer is ideal for lab, plant, and field use. Expanded-range, fast-response, and one-switch operation make it the perfect routine thermometer. Range is -40 to 2000°F or -40 to 1200°C. Resolution is 1° and meter only accuracy is ±(1°C + 1%) from 0 to 750°C. Two probes allow simultaneous monitoring of two tests. This thermometer is designed for simple operation. Three-position switch indicates probe 1, probe 2, or off. 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). As small as a 3x5-inch card Comes ready to use with two fast-response, type K beaded sensors with 4-foot cable, and 9-volt battery. Size is 3 x 5 x 1 inch and weight is 4 ounces. Replacement battery Cat. No. 1112.