Thông tin sản phẩm
SOUND LEVEL METER, pocket type Model: SL-4030
Main specification meet IEC 61672 type 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.