Generally tachometer is a gauge to measure rotation speed of any rotating things. In RC hobby tachometer is the instrument for mesauring and monitoring propeller revolutions per minute (RPM). This tachometer has some additional functionality like: thrust, pitch speed and power estimating.

Source: elfly

1 Comment

  1. Sawarkar Pranay April 21, 2012 12:27 pm 

    can you post circuit diagram for this tachometer  , sawarkar.pranay@gmail.com

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