sw 523 sw 524 digital sound level meter 30 130 db handheld noise meter Colour:SW-523 Top-Notch Lipo Battery and Balance
Platform notes & fabric story
Description
Top-Notch Lipo Battery and Balance Charger
or commuting
Power dissipation: +12V/600MW
Solid acacia wood construction
Simply open the laptop bag
sw 523 sw 524 digital sound level meter 30 130 db handheld noise meter Colour:SW-523 Top-Notch Lipo Battery and BalanceKey features This handheld meter measures ambient sound quickly and simply, with auto backlight and automatic power off for fuss free use. A supplied sponge ball filters wind and unwanted signals for more reliable readings. Accuracy & performance Measures 30130 dB with 1. 5 dB accuracy and 0. 1 dB resolution. It uses A weighting, a 1 2inch polarisation capacitance microphone and samples at 2 times per second across 31. 5 Hz8. 5 kHz. What you get &