SZS-5数字式闪光测速仪是用于微电机、纺织锭子和小型电动工具和测速，也可广泛用于机电、纺织、轻工等行业和计量、院校、科研等部门

Suite to measure the rotation rate of micromotor ,spindle miniature eletrical tool with easy operation and ase used in electromechanical unit ,textile light industy and gauge unnversity research departments.