The Extech 407730 offers auto ranging and a visual bargraph display with +/-2 dB accuracy.
Specifications
Display Counts Range Basic Accuracy Condenser Microphone Analog Output Dimensions Weight
2000 count LCD 40 to 130dB ±2dB 0.5" (12.7mm) AC 9 x 2.2 x 1.7"(230 x 57 x 44mm) 5.6 oz (160g)
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