Sper Scientific Sound Level Pen
Ideal for testing OSHA requirements, this meter offers easy one-button operation. Just press the button once to begin reading sound levels, and press again to hold the maximum reading. The display updates as new maximums are reached. The meter calibrates electronically to its own internal oscillator. Additional features include under range, over range, and low battery indicators. Includes 2 AAA batteries, wind screen, calibration screwdriver, and instructions. Five-year manufacturer’s warranty.