Amazon.com: Decibel Meter Sound Meter 30-130 dB Noise Meter Max/Min/Data Hold Sound Level Reader LCD Display Auto Backlight Digital Sound Level Meter Flashlight Audio Noise Volume Measuring Monitoring Instrument : Industrial y
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Decibel Meter Sound Level Reader, MS6708 Portable Digital LCD Noise Level Meter Tester Measurement Range 30-130 dBA A/C Mode Accuracy: ±1.5dB: Amazon.com: Industrial & Scientific
a. It is a measuring instrumentused to measure the currentin a circuitb. A device that measure - Brainly.ph
What are decibels, the decibel scale & noise measurement units
What are the different tools used to measure sound? - Quora