3M Quest Edge eg4 Cable-Free Personal Noise Dosimeters for General Purpose Environments
At just three ounces and with no microphone cable to get in the way, the 3M Edge eg4 noise dosimeter is comfortable to wear and easy to manage. The convenient display lets you know you've exceeded noise exposure limits. Data downloads easily to 3M Detection Management Software through the EdgeDock and your PC's USB port. The Edge eg4 is for general service applications only. If you need intrinsically safe units, see the 3M Edge eg5.