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Digital Tachometer kit image Zoom

Digital Tachometer kit

SKU: K2625
Range: 100- 9000 revs per minute. 2 digit display

Availability: In stock
Assembly Required: Yes



Assembly Required!
Product Description


    Digital Tachometer Kit Velleman Kit K2625Features:
    2-digit LED display
    Adjustable display brightness
    Suitable for 2- and 4- stroke petrol engines
    Configurable for engines of between 1 and 12 cylinders
    Simple installation and calibration
    Front panel included
    Contact bounce suppression
    Supply voltage. 10 to 15V DC, unstabilsed
    (built-in regulator)
    Supply current: 200mA (maximum)
    Display range: 100 to 9,900rpm
    Resolution: 100rpm
    Display type: 2 x 0οΎ·5in., 7-segment LED
    Input sensitivity: 3V (minimum) 20V (maximum)
    Input impedance: 30kW (typical))
    PCB Dimensions: 80x45mm (3.2"x1.8")+ 80 x 60mm (3.2" x 2.4"))
    Front Panel Dimensions: 70 x 90mm (2.8 x 3.5")
    The majority of modern cars, and practically all 'high performance' models, are equipped with a tachometer, or rev counter, which gives an indication of the number of revolutions per minute (rpm) that the engine's crankshaft is turning at. This is a very useful instrument to have, since it enables the driver to maintain the engine turning at its most efficient rate for the maximum production of either power (BHP), or torque (the pulling force being exerted), factors which coincide with specific engine speeds (the values for which may be found in the vehicle handbook, or magazine road test reports). Hence, this can be used to give maximum acceleration, or optimum flexibility, particularly useful when climbing steep inclines or towing caravans, boats, etc. An additional use for a tachometer is as an aid to servicing, since it enables the engine idling speed to be set to the value specified by the manufacturer, in the event of it idling too fast or slow, as is often the case. However, many older, or 'base-spec' vehicles, are not equipped with a tachometer. This situation is easily rectified, by installing the digital version presented here, which is simple to fit, calibrate and use. Furthermore, by using a suitable sensor (ie. one that simulates the switching action of the contact breaker), the unit allows rpm measurement, or the number of movements per minute, of any rotating or moving mechanical part - it does not necessarily have to be an engine!

Additional Information

    Additional Information

    SKU K2625
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