SOUND LEVEL METER / ALAT UKUR SUARA
 LUTRON
 Model : SL-4001
 * Frequency & time weighting meet IEC 61672 class 2.
 * A, C weighting, Max. hold, Data hold, fast/ slow time weighting, AC/ DC output.
 * Range : 3 ranges, 30 to 130 dB.
 * Size : 245 x 80 x 35 mm.
 Standard Accessories : Instruction Manual , Calibration Screw Driver ( Each 1 pc )