SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, SW525B with Storage + USB, SW526A 18 inch Display, SW525G with Storage + USB Green water softener vs deionizer Material: Iron

Material: Iron

aluminium / stainless steel

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Stored data can be transferred into personal computer via USB communication interface

SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, SW525B with Storage + USB, SW526A 18 inch Display, SW525G with Storage + USB Green water softener vs deionizer Material: IronItem: SW525A(red light) SW525B(red light) SW525G(green light) SW526A(red light) 1. Screen size: 9. 6 inch (SW526A 18 inch) 2. Measurement range: 30 130dB 3. Accuracy: + 105dB 4. Frequency response: 31. 5Hz~8. 5Hz 5. Microphone: 6 mm condenser microphone 6. Digital display: 3 digits 7. Power supply mode: DC 5V 1A Micro USB interface 8. Working temperature and humidity: 0 ~ 40 degrees, 10% ~ 80% RH 9. Storage temperature and humidity: 10 to 60 degrees,