CALL; A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Measuring Range : 30 - 130dBA 35 - 130dBC Accuracy : ± 1.5dB Frequency Range : 31.5HZ-8.5KHZ Linearity Range : 50dB Digit & Resolution : 5Digits & 0.1dB Time Weighting Selection : Fast/ Slow Microphone 1/ 2 Inch Electret Condenser Microphone Frequency Weighting : A & C Sampling Frequency 2 times/ sec Power : 9V ( Alkaline or DC Adapter) LCD size : 30 x 50mm Size : 265 x 70 x 35mm