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![AWA5688 sound level meter with Bar graph Class Type 2 with Calibration Report High Accuracy 28 to 133dB Data Hold Auto Power Off](http://s.alicdn.com/@sc04/kf/HTB17lJASpXXXXbsaXXXq6xXFXXXr.jpg_720x720q50.jpg)
![AWA5688 sound level meter with Bar graph Class Type 2 with Calibration Report High Accuracy 28 to 133dB Data Hold Auto Power Off](http://s.alicdn.com/@sc04/kf/HTB1LNJLSpXXXXXMXVXXq6xXFXXXW.jpg_720x720q50.jpg)
![AWA5688 sound level meter with Bar graph Class Type 2 with Calibration Report High Accuracy 28 to 133dB Data Hold Auto Power Off](http://s.alicdn.com/@sc04/kf/HTB1wfzvPXzqK1RjSZFCq6zbxVXaL.jpg_720x720q50.jpg)
![AWA5688 sound level meter with Bar graph Class Type 2 with Calibration Report High Accuracy 28 to 133dB Data Hold Auto Power Off](http://s.alicdn.com/@sc04/kf/HTB1JbHiPgTqK1RjSZPhq6xfOFXaw.jpg_720x720q50.jpg)
![AWA5688 sound level meter with Bar graph Class Type 2 with Calibration Report High Accuracy 28 to 133dB Data Hold Auto Power Off](http://s.alicdn.com/@sc04/kf/HTB1l6fqPgHqK1RjSZFgq6y7JXXaT.jpg_720x720q50.jpg)
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