- Robust structure
- Easy to use
- High strength
- Top in work
- Durable nature
- World's patent, Multi-functions, one instrument combine Photo Tachometer RPM ) and Contact Tachometer ( RPM, m/min., ft/min. ).
- Wide measuring range : 0.5 to 100,000 RPM.
- High precision with 0.05% accuracy.
- Memorize the last value, max., value,min. value