Sound Level Meter Calibrator ND9
May 24, 2013
Model suffix:A, B Standard:GB/ T15173, ANSIS1.41 CLASS2, IEC942 Output sound level:94dB, 114dB Accuracy:0.5dB(A) 0.3dB(B) Frequency:1000Hz Design for:1'', 1/ 2'' Power supply:19V 6F22 Battery Dimension:1424447mm Weight(Not including battery):275g .....