tachos

1. TACHOMETER

2. Tachometer, What’s That?
 It is used for measuring rotational speed.
 Can be used to measure speed of a
rotating shaft.

3. Different Types of Tachometers
• Classification of tachometers :
Mechanical Tachometers
1. Revolution Counter
2. Hand Speed Indicator
3. Tachoscope
4. Centrifugal Tachometer
5. Resonance Tachometer
Electrical Tachometer
1. Eddy Current or Drag Cup Tachometer
2. Tachogenerator ( DC and AC )
Contactless Electrical Tachometers
1. Magnetice pickup tachometer
2. Photo – electric Tachometer
3. Stroboscope