Small, handheld (5.8 oz) meter can be used to monitor sound levels anywhere. Excellent for studying environmental noise and noise pollution. Scale is "A" weighted to correspond to human hearing. Two scales cover the 40 to 80 dB and 80 to 130 dB ranges. Stable, reliable operation with signal oscillator calibration and a capacitance microphone. Single function selection dial assures ease of operation. Complete with carrying case, instructions, and 9-V battery.
