EXTECH, 30 to 130 dB, 31.5 Hz to 8 kHz, Sound Level Monitor And Alarm - 1AEV5|SL130W - Grainger
Protmex PT6708 Sound Level Meter, Digital Decibel Reader Measurement, Range 30-130 dB, Accuracy 1.5dB Noise Meter with Large LCD Screen Display, Fast and Slow Selection (Batteries Include): Amazon.com: Industrial & Scientific
Sound Level Test Environmental and Mechanical Noise Monitor - China Noise Meter and Digital Noise Meter
Amazon.com: VLIKE LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter Noise Measurement Measuring 30 dB to 130 dB A/C Mode (Batteries Not Include) : Industrial