sd card real time data recorder sound level meter model : sl-4023sd * real time data recorder, save the data into the sd memory card and can be download to the excel, extra software is no need. * meet iec61672 class 2 * auto range : 30 to 130 db. * manual range : 3 ranges 30 to 80 db, 50 to 100 db, 80 to 130 db . * a/c frequency weighting. * fast/slow time weighting, * peak hold, data hold. * record (max., min.). * rs232/usb computer interface. * optional wind shield ball, sb-01. * patented. * patent: taiwan, china, japan, germany, usa pending.
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lutron sl-4023sd sound level meter + sd card real time data decorder
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