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This small hand-held unit can be used to measure sound levels anywhere. 2 scales cover the 40-80 dB and 80-120 dB ranges, with an accuracy of +/- 3.0 dB. Simple to operate; one selection dial with battery test mode and easy to read results. Stable, reliable operation with signal oscillator calibration and a capacitance microphone. Based on decibel frequency weighting A according to ANSI. Includes case and 9V battery. 6 1/3" x 2 2/3" x 1 1/2", 5.8 ounces.
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