Rion Sound Level Meter NL-20
- Conpliant with IEC standards and new IEC/CDV 61672-1 standrd
- Wide dynamic range of 100 dB eliminates need for range switching
- Simultaneous measurement of equivalent continuous sound level
- Graph display shows sound lebel fluctuation; available when using back-erase function
- Easy-to-read backlit LCD display
- Up to 34 hours of continyous operation possible with four IEC R6 (size AA) alkaline batteries; external power supply by AC adapter.