1. an instrument used to indicate whether two alternating-current circuits or machines are synchronized
Usage: electrical engineering

Examples

• The technician checked the synchroscope before connecting the generator to the power grid.
• A synchroscope shows when two electrical systems are running at the same frequency and phase.
• The power plant operator watched the synchroscope needle rotate slowly as the systems came into sync.
• Before paralleling the generators, the engineer verified proper alignment using the synchroscope.
• The synchroscope indicated that the backup generator was ready to be switched online.
• Modern digital synchroscopes have largely replaced the traditional analog rotating-pointer models.