With a high-contrast TFT-LCD color display, the handheld RION NA-28 sound-level meter and real-time analyzer simultaneously measures and displays 1/3 and 1/1 octave bands. It can also store up to ...
Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...
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