Bosean Digital Sound Level Meter 30-130dB Decibel Noise Detector

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Stay away from noise- Take care of health, no matter where you are, including baby room, office, classroom factory. A industrial decibel meter helps

Fdit Wall Mounted Decibel Meter, Digital Sound Level Meter Noise Meter Tester Measurement Range 30-130dB, Accuracy 1.5dB with LCD Display

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ACCURATE MEASUREMENT: Measuring Range: 30-130dBA / 35-130dBC; Accuracy: ±1.5dB; Resolution: 0.1dB; Dynamic Range: 50dB / 100dB; Digital Display: 31/2

Decibel Meter, Digital Sound Level Meter Noise Meter with 30-130dBA 35-130dBC Measuring Range, Sound Decibel Meter dB Meter for Classroom Home Factory