Ever wonder how loud the school PA system is? Or student noise in the hallway? The traffic outside the window? Measure these and more with this handy meter. It has a clearly zoned dial switch that controls the detection of sound on over seven ranges. This selection gives you a wider overall range of measurement than single range meters. Includes a 9V battery, its own carrying case and instructions. Unit is designed to meet decibel frequency weighting A (dbA) ANSI specifications.
Specifications: Range: 54–126dB, ±2 dB Microphone: Capacitance Power Supply: 9V Battery, included Calibration: Signal Oscillator, manually adjustable Size: 16 x 6.5 x 4cm