The Clarke CT1 hand held digital laser tachometer is a non-contact meter that analyses light reflected off a moving object and coverts it into an accurate rpm figure. Micro computer technology offers highly accurate measurements and fast measuring time wh- Measurement range 5 to 99 999 rpm- Resolution - 0.1 rpm under 1000 rpm & 1 rpm above 1000 rpm- Accuracy - (0.05% + 1 digit)- Sampling time 1 sec. (over 6 rpm)- Includes reflective measuring strips- Uses 4 x 1.5v AA (UM-3) type alkalinePTDCLA4501110
