The Ridgid® MicroRay™ IR-100 noncontact infrared thermometer has a sensitivity reading from -22° to 932°F (-30° to 500°C), with an accuracy of within ±1.5 percent (2.7°). It features a large, 15:1 optical spot range ratio. To use, point the Class II laser at the object and pull the trigger; an immediate temperature measurement is shown on a backlit LCD display. The device's "smart" measuring feature helps ensure greater accuracy across a wider range of materials, the company says. The unit allows users to quickly adjust the emissivity setting via the tool's menu bar. A list of common materials' specific emissivity values is included with each unit. A maximum and minimum differential reading option lets users preprogram maximum and minimum temperature readings, or set high-low audible alarms. A tripod option is available.

Ridge Tool Co., c/o Ultimate Lead, P.O. Box 739, Berea, OH 44017-0739; 800-769-7743;

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