Tiny Tachometer Model TT2A

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RPM reading adjustable from 1 spark per 2 revolutions to 8 sparks per revolution. One TINY-TACH now works for most gas engines. RPM display from 1 to 19,000. RPM update time 1/2 se cond. Hour meter records total actual running time on your engine. Job timer can be reset to record run time for record keeping. Coax cable transmits signal without EMF interference. 1 Antenna cable winds around your spark plug wire to give you the RPM reading clean and simple to attach. Signal strength can be controlled by the antenna wire. Standard cable length is 6 feet. If additional length is required, contact sales for special order. TINY-TACH unit is potted to prevent damage from moisture and vibration. Lithium battery life 5+ years, not replaceable. NOTE: Some engines, such as multi-cylinder outboards generate considerable electronic "noise" and may require a light filter to assure a clear RPM reading. You will find a "comments" section at the end of the order page where you can tell us about your engine what kind and how many cylinders it has so that we can make any necessary adjustments. One year warranty Note: This will not work with a shielded ignition harness or lead. Dimensions: 5X1X8 Show more