The Extech Instruments 407730 Digital Sound Level Meter; 40 to 130 dB features a large LCD display with analog bargraph; ±2dB accuracy with 0.1dB resolution; A+C weighting; AC analog output; Record Max/Min values over time; and utilizes 0.5"(12.7mm) electret condenser microphone. Great for applications such as: Monitoring workplace machinery; Installing audio and alarm systems; and Product noise certification and reduction.
Display Counts: 2000 count LCD
Range: 40 to 130dB
Basic Accuracy: ±2dB
Condenser Microphone: 0.5" (12.7mm)
Analog Output: AC
Dimensions: 9 x 2.2 x 1.7"(230 x 57 x 44mm)
Weight: 5.6 oz (160g)