The Digimeter automatically counts the revolutions of the bucket wheel and displays the velocity (in ft/sec or m/sec) with the touch of a button. Directly compatible with most suspension equipment, no conversion kit is needed. Requires a 9V Battery, sold seperately.
Headset to count an audible tone per revolution or every series of five revolutions. A rating chart is provided with the meters to convert the revolutions to velocity in feet per second or meters per second.