Sper Scientific 840015 Type 1 Sound Meter, Meets IEC61672 and ANSI S1.4
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<b>[Product Information]</b><br>
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<li>Meets IEC61672 and ANSI S1.4 frequency weighting and time weighting specifications</li>
<li>Class 1 sound meter</li>
<li>Peak hold</li>
<li>30-130 dB range</li>
<li>Resolution: 0.1dB</li>
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