81 Stroboscope www.fluke.com/820-2 Fluke 820-2 LED Stroboscope Ideal for stop motion diagnostics and frontline mechanical troubleshooting The Fluke 820-2 LED Stroboscope lets you confidently investigate and observe potential mechanism failure on a variety of machinery, in a wide range of industries, without making physical contact with the machine, or shutting the machine down. The Fluke 820-2 is rugged, compact and easy-to-use making it the ideal portable strobe for stop motion diagnostics, mechanical troubleshooting and process or product research. Use stop motion diagnostics to identify the running speed of rotating equipment, identify part numbers or other markings, measure the speed of rotation or frequency of a rotating shaft, speaker, or mechanical part, troubleshoot belt drive machines and much more! • High intensity 7-LED array—4,800 Lux @ 6,000 FPM/30 cm • High efficiency LED solid-state light source with uniform flash characteristics allow for higher flash rates—30 FPM to 300,000 FPM (flashes per minute) • Digital pulse width modulation for exceptionally sharp images at high speeds • Rugged, durable design utilizes solid-state LEDs with no filaments, gases, hollow cavities, or glass—(one meter drop) • Quartz-accuracy control system provides high accuracy—0.02 % (± 1 digit) • Multi-line LCD display • Check the rotating speed of machinery without physical contact or need for reflective tape • Advance or retard flash timing for viewing gear teeth, cutting surfaces, repeats, or “drifting” equipment • Simple push button operation with 2x and ÷2 buttons for easy adjustment Specifications Flash frequency Range 30 to 300,000 FPM 0.5 to 5000 Hz Accuracy 0.02 % Resolution 30 to 999 FPM = 0.1 1000 to 300,000 = 1 0.5 Hz to 999 Hz = 0.1 1000 Hz to 5000 Hz = 1 Frequency setting FPM or Hz External trigger Method Connector to externally control trigger High level 3 V to 32 V Low level < 1 V Minimum pulse width 50 μs connection Safety compliance Agency approvals CE Class III (SELV) Pollution Degree 2 Impact resistance 1 m drop Mechanical specifications Size (HxWxL) 5.71 cm x 6.09 cm x 19.05 cm (2.25 in x 2.4 in x 7.5 in) Weight 0.24 kg (0.53 lb) Ordering information Models Included accessories FLUKE-820 LED Stroboscope Protective case and external trigger connector Identify running speeds using stop motion diagnostics. STROBOSCOPES