... analysis Recording, SD card, onspot print Detailed Product DescriptionPocket real-time noise signal analyzerIEC61672 class 1Statistical, 1/1OCT,1/3 ... including calibrating information3) Recording time: 1s to 1h4) Replay: either by instrument or via PCDetail Packing Information:The instrument is wrapped ... in a carton. Outside, it is to be strengthened by nylon straps. Real Time Sound Signal Analyzer