상품제품사양 Specifications digital level meter, Digital Sound level meter, sound level meter, Sound Analyzer, portable level meter CENTER 329 Compact Size Sound Level Meter (Low Cost) Features: ? Mini Size. ? Low Cost High Performance. ? Level Range Display. ? MAX Hold Function. ? Auto Power Off. Specifications: Level Range: 40dB~130dB Accuracy: ±2dB(ref 94dB@1KHz) Resolution: 0.5dB Frequency Weighti..