Optical "Tach"
See what you've been missing! Exclusive from Model Avionics, the new X-treme Tach Optical Tachometer allows anyone to monitor their helis rotor RPM. The X-treme Tach Optical Sensor has a  range of 1000 to 2400 RPM with 1% accuracy. Works on the ground and in flight!  Easy to use controls allow your 'assistant' to give you accurate readings every time. Includes 30 second auto shut-off, which means you'll never be stuck in the field without it. Uses 9V battery.  X-treme Tach Optical Tachometer shown below with view through the shutter. ~ Instructions (PDF)
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Order it now!

Only $49.95

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