The CheckLine PK2X portable, digital stroboscope has a flash tube that delivers a brightness of 1,200 Lux and a flash rate of up to 12,000 flashes per minute, while its rechargeable lithium-ion battery provides a full two hours of continuous use. In addition, the stroboscope can be connected to an AC power source for continuous operation, using the supplied universal voltage, AC-adapter/charger. The stroboscope is CE-certified, provides accurate speed control with drift-free operation, has a resolution of ±1 RPM over the entire range and offers external triggering capability if an external sensor is used for flash rate control. The stroboscope is suited for noncontact RPM measurement, as well as the inspection of moving parts by freezing or slowing down the action.