30-130dB Digital Sound Level Meter, Noise Decibel Meter with 9.6in LCD Screen, Wall Mounted USB Powered Noise Tester with Alarm Function, for Measuring Noise
digital sound meter Sound tester digital sound meter Wall Hanging Noise Tester LCD Digital Sound Meter sound meter with data logger Noise Tester with Alarm function db tester digital sound meter
ALARM FUNCTION: When the measuring value is over the alarm value, the meter will make a sound beeping and lock the data with blinking for 2 minutes
DATA STORAGE: The instrument will automatically store the data every 2 seconds, and the stored value is the largest noise value in 2s, which can last for one year
EASY TO CONNECT: Connecting computer with USB cable, you can down‑load records, collect samples and print chart and date,etc
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