Sound level meter
The Sound Examiner SE-400 Series of sound level meters computes the average sound pressure level over the run time of the device, helping workers more accurately assess noise levels. The SE-400 series features variable, user-selectable data logging intervals, a backlit LCD display and a multilingual user interface. It is available with kits in Type/Class 1 and 2 microphones with and without calibrators. 3M
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