The Fluke 820-2 High Intensity LED Stroboscope is a rugged, compact, portable tool, ideal for stop motion diagnostics, mechanical troubleshooting, and process or product research and development. Investigate and observe potential mechanism failure with confidence on a variety of machinery, in a wide range of industries, without making physical contact with the machine.

For most applications the standard flash duration will work well without adjustment. In other applications, like ones with higher rpm or larger rotating objects with high surface speeds, an adjustable flash duration is required. In high speed applications, objects may move during the brief period of a single flash, resulting in a blurred image. By decreasing flash duration, objects have less time to move and the image will appear sharper.

The Fluke 820-2 is more than just a tool to measure rotational speed of machinery without physical contact. It is also an excellent diagnostic tool for a wide variety of applications, such as belt driven machines, HVAC fans and pumps; roller bearings, shafts, gear teeth or other machine components; clutches and cogwheels; foundations and resonance vibrations; cable or piping wear and damage; and mixing and dosage processes.

In addition, the stroboscope can be used as a strobe tachometer to measure speed instead of using a laser tachometer. In order to use the stroboscope, the component under measure must be visible, and have an identifying mark that can be used as a point of reference. A strobe tachometer is a useful tool because you cannot always gain access to the machine shaft to stick on a piece of reflective tape to use a laser tachometer, or to make contact with the moving shaft to use a contact tachometer. Using a stroboscope you can "stop" the shaft down to 30 RPM (FPM).