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SL-4030 Lab Testing Instrument

SL-4030 Lab Testing Instrument

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* Main specification meet IEC 61672 class 2. 
* A, C weighting, Max. hold,fast/slow time weighting, AC/DC output.
* Range : 3 ranges, 30 to 130 dB. 
* Mini pocket size. 
* DC 9V battery (006P) or DC 9V adapter in.