Sound level meter with a SD card

Lutron SL-4023SD is a sound level meter with a SD card.

Main functions are designed to meet IEC 61672 class 2

Hold and Peak Hold Function

SD card capacity: 1 GB to 16 GB

RS232/USB PC Computer interface (Option)

Power by UM3/AA (1.5V) x 6 batteries or DC 9V adapter