posted
Gentlemen, that test could do to make sure he does not mark a sensor differently from the other, I have the first regulations under the rule of measurement with a theme of 50hz with the same volume and consistency of the battery, then put dialing 136,0 db the second sensor under the same conditions and previous mark 137.2 db, which is duty, if both mido in the same way
And lastly, to make way dbdrag, in the starting voltage is normal that one is at 6.24 and -5.99 at the bottom
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