Digital Xenon Stroboscope Standard Version. This digital xenon stroboscope is lightweight, sturdy and compact instrument which features digital, variable flashing rate adjustment and external triggering facility. The bright xenon tube makes it ideal for educational uses such as wave, motion and vibration experiments. Supplied with mains lead. Specifications: 60 to 18,000 rpm, to 300 Hz, External triggering signal, Power supply: 240 AC, 50 Hz. Dimensions (L H W): 215 140 150mm.