Specification Measuring Range: PHOTO TACH 2.5 to 99. 999 RPM CONTACT TACH 0.5 to 19,999 RPM SURFACE SPEED 0.05 to 1,999.9 (m/min.)
Resolution: PHOTO TACH 0.1 RPM(2.5 to 999.9RPM) 1RPM(over 1000 RPM) CONTACT TACH 0.1 RPM (0.5 to 999.9RPM) 1 RPM (over 1000 RPM) SURFACE SPEED 0.01 m/min. (0.05 to 99.99m/min) 0.1 m/min (over 100m/min)














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