I am very happy with my Reed R8060 sound level meter. It does exactly what it was designed to do, which is to accurately measure sound levels. If you want to be very accurate you need to buy a Reed R8090 sound level calibrator. My R8060 gauge met the specs, but I was able to improve its accuracy with the R8090. If you want to be extremely accurate, it is recommended that you calibrate the sound level meter each time you use it and then recheck the calibration after you have taken measurements.
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