SOUND LEVEL METER AR-854

Sound Level Meter AR854 " Microphone : Capacitance Microphone Measuring Range : 30~ 130dB Accuracy : 1.5dB Frequency Range : 20HZ~ 8.5KHZ Frequency Weighting : A/ C USB Computer Connect USB Data Analysis offline Data Store : 10000 stock AC DC Output :  Low Battery Indication :  Over Range Indication :  Resolution : 0.1dB Time Weighting Selection : Fast/ Slow Max Hold Function :  PACKING INFORMATION Power : AA* 4 battery ( with external power receptacle) Product Net Weight : 300g Product Size : 210* 72* 32mm Packing : Gift box Standard Quantity Per Carton : 12pcs Standard Carton Size : 52.5* 45.5* 34cm Standard Carton Gross Weight : 13kg"