Description
Search for and observe potential mechanism failures with confidence
Whether diagnosing unwanted oscillations, slippage or distortion, the 820-2 LED stroboscope is the ideal front-line tool for troubleshooting and product or process research and development.
Key Features
- 7-LED array with high intensity – 4,800 Lux @ 6,000 FPM/30 cm
- Highly efficient solid-state LED light source provides uniform flash characteristics for superior flash rates ranging from 30 to 300,000 FPM (flashes per minute)
- Digital pulse width modulation for exceptionally sharp images at high frequencies
Robust and durable design uses solid-state LEDs, without filaments, gases, cavities, or glass (drop from a height of 1 meter) - Quartz precision control system provides high accuracy: 0.02% (± 1 digit)
- Multi-line LCD display
- Rotation speed control of a machine without physical contact or reflective tape
- Advance or retard flash timing to examine gear teeth, cutting surfaces, repeating patterns or "equipment drift"
- Simple push-button operation with x2 and ÷2 keys for easy adjustments
- Adjustable flash duration
For most applications, the standard flash duration is perfectly adequate without further adjustment. In other applications with very high rotational speeds or large rotating objects with linear speeds, the flash duration must be adjustable. In high-speed applications, objects may move during the short duration of a flash, resulting in a blurred image. By decreasing the flash duration, objects have less time to move and the image is clearer.
Common Applications for the 820-2 Strobe
The Fluke 820-2 LED Strobe is more than just a non-contact machine speed measurement tool. It is also an excellent diagnostic tool for a wide variety of applications:
- Belt-driven machines - fans and pumps in heating and air conditioning systems
- Roller bearings, shafts, gear teeth, and other machine components
- Clutches and sprockets
- Foundations - resonance-related vibrations
- Cable and pipe wear
- Mixing and batching processes
In addition, this LED stroboscope can be used as a tachometer to measure speed in place of a laser tachometer. To use a stroboscope, the component to be measured must be visible and have an identifying mark that can be used as a reference point. A stroboscope tachometer is useful because you can't always reach the machine shaft to apply reflective tape to use a laser tachometer or make contact with the moving shaft to use a contact tachometer: with a stroboscope, you can "hold the shaft still at up to 30 rpm (FPM).
Uses of the 820-2 stroboscope:
- Turbines with frequent speed variations
- Motors equipped with an electronic speed variator with infrequent variations
- Searching for rotation speed and detecting belt slippage
- Searching for machine components: fan blades, pump vanes, compressor screws, pinion teeth.
- Measuring rotation speed and searching for frequency
- Measuring slippage
