DT2259光电/闪频两用转速计光电测量范围:5.0~99999RPM闪频测量范围:100~1000FPM/RPM,1000~10000FPM/RPM,10000~99999FPM/RPM闪频采用超高亮度LED,省电耐用光电测量范围:5.0~99999RPM闪频测量范围:100~1000FPM/RPM,1000~10000FPM/RPM,10000~99999FPM/RPM闪频采用超高亮度LED,省电耐用精确度: 0.01%可纪录测量过程中之最大/最小/最后值携带型(电池1.5*4)Size:195X61X38mm