Digital Wireless Sound Noise Level Meter Tester 30~130dB — Auto Range, 0-1.3V (10mV/dB) DC Output, USB + CD Software

Wireless digital sound/noise level meter covering 30~130dB with USB connectivity and included CD software for data handling. The instrument uses automatic range selection and high-resolution sensing to produce highly accurate, no-guess measurements shown as a clear numeric readout instantly. Alarm and outputs: set a threshold for the adjustable alarm; when triggered an LED alarm activates and a DC alarm output is provided (0-1.3V, 10mV/dB). Power management: configurable auto power-off can be set to any value between 1-9min, and the unit may also be switched off manually at any time. Summary of key points: 30~130dB measurement range, auto range selection, instant legible numeric results, adjustable alarm with LED and 0-1.3V (10mV/dB) DC output, USB connectivity and CD software, and selectable 1-9min auto power-off (plus manual shutdown).