LEVEL METER
FEATURES * Main specification meet IEC 651 type 2. * A, C weighting. Digital-Sound-Level-Meter- Range: Digital Sound Level Meter (Range: 30 to 130 dB) * 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.