- Infrared light source, micro-processor controlled crystal display.
- Strong magnetic base is included.
Machine speed: It is critical for proper machining operations. Speeds too fast or too slow can shorten tool life and cause expensive, unnecessary machine downtime. This digital photo tach can take readings from revolving shafts on drill presses, grinders, lathes and other machines. It can also be used to check engine operation on in-plant vehicles like forklifts. The 3344 is accurate to within ± 1 rpm. The 13/32" high liquid crystal display is easily visible even in high ambient light areas.