Analog Sound Level Meter | Sper Scientific | 840005

• Ranges: 40 ~ 80dB, 80 ~ 120dB
• Microphone: Capacitance
• Calibration: Signal Oscillator
• Accuracy: ±3dB
• 9V battery included

The two scales cover the 40-80dB and 80-120dB 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 the "A" decibel frequency weighting. CE Approved. Comes with a carrying case, instructions and a 9-Volt battery.

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