CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk Features Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise. 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 : 207 x 70 x 29mm