RPM Indicating StrobeTach for 60 Hertz systems.

Print this out and cut out the strobetach with scissors. Use a spray type adhesive to cement it to your scanning disk. Illuminate the disk with flourescent lighting or a one or two watt neon lamp, operating from the line voltage. Low wattage incandesent lamps also work. When the appropriate circle of bars appear stationary, the disk is turning at the indicated speed.

A recent Email suggests that on 50 Hz, the Strobe Tach works the same way, except that the speeds indicated change to 750, 1000 and 1500 RPM.

strobetach

This StrobeTach will indicate 900, 1200 or 1800 RPM

(and on 50 Hz), 750, 1000 or 1500 RPM

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