SOUND LEVEL METER
Model : SL-4011
* Frequency & time weighting meet IEC 61672 class 2.
* A, C weighting, Max., Data hold, fast/slow time weighting.
* AC/DC output, Max. Hold.
* Reset button for Max. hold.
* Range : 3 ranges, 35 to 130 dB.
* Size : 250 x 83 x 32 mm.