Fluke 820-2 LED Stroboscope


Key features

  • Rugged, compact, easy to use stroboscope for checking the rotating speed of machinery without physical contact or the need for reflective tape
  • Features high-intensity 7-LED array—4,800 Lux @ 6,000 FPM/30cm
  • Provides a high-efficiency LED solid-state light source with uniform flash characteristics that allow for higher flash rates—30-300,000 FPM (flashes per minute)

Product overview: Fluke 820-2 LED Stroboscope

Investigate and observe potential mechanism failure with confidence

Identifying the running speed of rotating equipment can be difficult, but the Fluke 820-2 LED Stroboscope simplifies the process allowing you to perform stop motion diagnostics without actually stopping, or making contact, with the machine you are working on. Whether you are trying to diagnose parasitic oscillations, slippage, or unwanted distortions, the 820-2 LED Stroboscope is the ideal frontline troubleshooting, process or product research and development tool.

Other useful features:

  • Includes digital pulse width modulation for exceptionally sharp images at high speeds
  • Provides rugged, durable design that uses solid-state LEDs with no filaments, gases, hollow cavities, or glass; (1 meter drop tested)
  • Features quartz-accuracy control system for high accuracy–0.02% (+/- 1 digit)
  • Provides a multi-line LCD display
  • Includes advance or retard flash timing for viewing gear teeth, cutting surfaces, repeats, or drifting equipment
  • Features simple push button operation with 2x and ÷2 buttons for easy adjustment

Models: Fluke 820-2 LED Stroboscope

Fluke 820-2
Fluke 820-2 LED Stroboscope


  • Protective case
  • External trigger connector

Specifications: Fluke 820-2 LED Stroboscope

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
Environmental Specifications
Operating temperature 0 °C to +45 °C
Storage temperature -10 °C to +50 °C
Operating humidity (without ondensation) Non-condensing (<10 °C)
90 % RH (10 °C to 30 °C)
75 % RH (30 °C to 40 °C)
45 % RH (40 °C to 50 °C)
Absorption/corrosion 30 °C, 95 % RH, 5 day
Product functions normally
Operating altitude 2,000 m
Storage altitude 12,000 m
Vibration MIL-PRF-28800F Class 2
Impact resistance 1 m drop
EMI, RFI, EMC EN61326-1:2006
Safety Compliance
Agency approvals CE
Class III (SELV) Pollution Degree 2
Miscellaneous 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
Flash Pulse
Duration Adjustable in μs or degrees
Delay Adjustable in μs or degrees
Color Approximately 6500 K
Emission output 4,800 lx @ 6000 FPM at 30 cm
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