This pocket sized 6-digit LCD optical tachometer has a measuring range of 30 to 30000 rpm. The unit operates by sensing reflected light from an integral source, and will sense any rotating shaft if there is sufficient contrast e.g. a keyway. Alternatively self-adhesive reflectors may be affixed to the shaft. Requires 4 x AAA size alkaline batteries (not supplied).
7 ranges, rpm, rps, m/min, cm/sec, f/min, in/sec, y/min
8 memory locations
Auto power off
6-digit LCD
Membrane type keyboard
H x W x D: 121 x 58 x 30mm