Gvda digital sound level meter audio level meter sonometro sound meter decibelimetro 30 130db decibel meter portable noise meter features quality assured if you have any questions about our products please feel free to contact us we will provide you with the best solution many uses this digital sound level meter can be used for various purposes such as home theater library office school etc practical and convenient the sound level meter is small in size light in weight easy to carry and store which can be applied for a long time 1 fast slow time weighted selection2 2 4 inch backlight display3 temperature unit c f4 auto power off5 data hold function6 max min function7 a c weighted selection only gd151b 8 low battery indication specifications sound range 30 130dba gd151a sound range 30 130dba or 30 130dbc only gd151b frequency 30hz 8khzdynamic range 50dbsound accuracy 1 5db 94db 1khz 5db 94db 8khz frequency weighting a weighting gd151a frequency weighting a weighting c weighting only gd151b time weighting fast 125ms slow 1sectemperature range 20 c 60 c 4 f 140 f temperature accuracy 0 c 45 c 32 f 113 f 1 c 2 f other 1 5 c 3 fhumidity range 0 0 99 9 rhhumidity accuracy 20 80 5rh other 6rhauto power off 10 minutespower 3 aaa battery not include item size 142 58 26mmitem weight about 114goptional model gd151a gd151bpackage included 1 x sound level meter model as your choice 1 x manual1 x bag1 x boxmso bidi font family times new roman fo
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