SNDWAY SW525B Wall-mounted DB Sound Level Meter Noise Tester with USB Data Storage Transfer & USB Communication, SW525B Option:SW525B or streams

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With its robust design and four integrated meters

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SNDWAY SW525B Wall-mounted DB Sound Level Meter Noise Tester with USB Data Storage Transfer & USB Communication, SW525B Option:SW525B or streamsModel: SW525B Measuring range: 30 130db Frequency range: 31. 5hz 8. 5khz Response time: fast Microphone: 6mm capacitance microphone Power supply; DC5V 1A micro USB outlet Operating condition: 0 40 degree Dimension: 210x130x28mm Weight: 453g Features and Functions: 1. Accuracty: + 1. 5dB In Standard audio: 94dB 1 khz 2. Measurement Range: 30 130dB 3. Frequency Response Range: 31. 5 hz 8. 5 khz 4. Frequency weighting: A (Environmental Noise) of