Monarch Instrument, 6204-012, Nova-Strobe DBX Digital Portable Battery Powered Stroboscope, 115/230V with NIST6204-012 Includes Only:Deluxe StroboscopeBattery Powered - 30-20,000 FPMPSC-2U (115/230 Vac) RechargerDocumentation: operation manual, product registration card, and NIST Calibration CertificateFeatures:Flash rates from 30 to 20,000 flashes per minute, adjustable in 0.1 step increments, the coarse/fine adjustment knob makes it quick and easy to set the exact flash rate you want; the all-digital controlled microprocessor keeps readings rock steadyInternal phase shifting allows the target to be jogged clockwise or counterclockwise in 5° incrementsTimes 2 (x2) and Divide by 2 (÷2) push buttons allow easy checking for actual RPM, harmonics and allow stop motion far beyond the 20,000 FPM limitStore and recall up to 6-user selectable values; fast measurement memory, even with the power offFlash rate may be displayed in Flashes Per Minute (FPM) or Flashes per Second (Hz)Individual input and output TTL jacks (1/8 inch phone) provides power to remote sensors and allows "daisy-chaining" of multiple strobesTachometer mode allows accurate speed measurement up to 250,000 RPM using external sensorsNIST Certificate of CalibrationThe DBX offers powerful features for both diagnostic inspection and speed measurements. Lightweight and bright with flash rates to 20,000 flashes per minute, these strobes are comfortable to hold and easy to operate.The DBX Battery-Operated Stroboscope weighs only 1.9 lbs. (0.86 kg) and will run continuously for 2 hours on a single charge. A fast charger is included and the percentage charge remaining may be displayed. The unit is CE certified.High intensity, multi-functional portable Xenon stroboscope with digital displays. This strobe offers a range of useful features that provide unmatched performance and value.