The 400 Series multimeters includes three models (411, 430, and 470) with true RMS functions. The 450 and the 470 Models have a built-in, noncontact infrared thermometer. The infrared thermometer units have an 8:1 distance-to-target ratio, 0.95 fixed emissivity. Features of the series include low-current measurement capability, down to 0.1 mA; audible and visual input alerts; and 1-inch digits on backlit display. The units come with CAT III test leads, multiposition tilt stand and Velcro strip for hanging, protective holster with test lead holder, bead wire temperature probe (except Model 450) and 9-V battery.

Extech Instruments Corp., 285 Bear Hill Rd., Waltham, MA 02451-1064; 781-890-7440; 781-890-7864 (fax); extech@extech.com; www.extech.com.

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