Digital Sound level meter SW-525A Restaurant Bar Indoor/office/home Wall hanging type noise meter

This meter can be used in measuring noise of various occasions and places such as factory, office, home, traffic route, acoustics, air-conditioning refrigerator, etc. https://bit.ly/2WzBb01 Features: 1). Accuracy: +-1.5dB (In Standard sound: 94dB@1KHz) 2). Range of Measurement: 30~130dB 3). Frequency Response Range: 31.5Hz~8.5KHz 4). Frequency Weighting:A (Ambient Noise) Weighting