Nady DSM-1 Digital Sound Pressure Level Meter

The DSM-1 from Nady is a compact and lightweight digital sound pressure level meter that allows you to measure audio loudness practically anywhere. The meter has a built-in 0.5" omnidirectional electret condenser microphone that lets you measure audio in 2 ranges between 30dB and 130dB at frequencies from 32Hz to 8kHz. The meter has an easy-to-read 4-digit LCD display with a selectable permanent backlight for use in dark environments.