Contact Tachometers for direct rotational speed and RPM measurement of motors, shafts, rollers, fans and rotating machinery. A Contact Tachometer measures rotational speed by directly contacting the rotating shaft or surface. It is suitable for motors, shafts, rollers, fans, conveyors and industrial machinery. Metravi NCTM-2000 is an example of a combined contact and non-contact digital tachometer. #ContactTachometer #DigitalTachometer #RPMMeter #RPMTester #RotationalSpeed #MotorTesting #IndustrialMaintenance #Metravi #AAGAMCorporation