Lutron DT-2230 Digital Tachometer is a portable, compact tachometer. The DT-2230 Digital Tachometer, which combines a photo and contact tachometer, is the best 2-in-1 instrument available. This photo tachometer uses a laser light-detecting source and has a long measuring range of up to 1.5 metres. It is useful for RPM measurement applications where operating the machine would be risky or where access is either difficult or impossible. Up to 0.5 to 100,000 RPM can be measured by this Lutron DT-2230 tachometer. The Tachometer’s highly visible LCD Display  provides the user with accurate RPM readings.
Applications: Automobiles, Airports, Ships, Vehicles, etc.