LED Stroboscopes


QB-LED is a hand-held, Battery-Powered Stroboscope featuring forty (40) extremely bright LEDs for the highest light output in its class. Designed for machinery observation, visual inspection, and motion analysis, its robust design is suitable for use in the toughest industrial environments.

Flash range of 30 – 300,000 fpm (0.5-5000 Hz)
Complete Kit
The QB-LED is supplied as a complete kit including the strobe, removable handle, universal AC adapter with USA, EURO and UK plugs, DIN Connector (for use when externally triggering from a sensor), traceable calibration certificate and instruction manual with Quick-Start Guide — all supplied in a foam-fitted plastic carrying case.

The QB-LED features a robust aluminum housing fitted with forty long-life, high-performance LEDs providing a peak brightness of 5000 Lux and convenient adjustment of flash duration to easily select the optimal balance of brightness and image sharpness.

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  • 40 High Power LEDs produce 5000 Lux Peak Brightness.
  • Flash range of 30 - 300,000 fpm (0.5-5000 Hz) with user-selected units of Hz or FPM (Flashes Per Minute).
  • Selectable units of "FPM, "Hz" or "1/MIN".
  • Backlit LCD Display for optimum viewing in all lighting conditions.
  • "Slow Motion" Mode allows user to offset the flash rate to put the "frozen" image into "slow-motion" (External Trigger Mode only).
  • "PRO Mode" provides additional functions including Multiplier, Delay and Memory (5 User-set Values).
  • Additional features include "Phase Shift" and Internal/External Trigger.
  • Built-In Litium-Ion battery provides up to seven hours of continuous operation on a single charge. Battery status is shown on LCD display.
  • Adjustable flash duration allows for optimal tuning of brightness and image sharpness for every application.
  • Traceable Calibration Certificate included.
  • Threaded mounting holes for fixed mount applications.


Number of LEDs 40 in a 5 x 8 array
Flash Range 30 - 300,000 FPM (0.5 - 5000Hz)
Flash Duration Adjustable (1 usec up to 2000 usec)
Accuracy ± 0.02% (± 1-digit/±0.025usec)
Brightness 5000 Lux @ 6000 FPM / 30cm (12 inch) - and 3° Sharpness
Certification CE (as per EU norms)
Flash Color Approx. 5,000 - 8000 K
Power Built-In Lithium-Ion rechargeable battery, 3100 mAh
Housing Material Aluminum
Battery Life approx 7 hours at (@875 Lux) / approx 4 hours at 2000 Lux
Recharging Time 5-6 hours
Warranty 1 Year

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