DT6235B
DT6235B Contact Tachometer
, Display: 5 digits, 18mm LCD , CONTACT TACH: 0.5 to 19,999RPM , Resolution: 0.1 RPM (0.5 to 999.9 RPM); 1 RPM (over 1,000 RPM) , Sampling Time: 0.5 sec. (over 120 RPM)