Digital Propeller Protractor
The PRO360 digital protractor is a revolutionary measuring tool that provides an immediate, digital reading of all angles in a 360o circle.
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The PRO360 digital protractor is a revolutionary measuring tool that provides an immediate, digital reading of all angles in a 360o circle. The machined aluminum frame is a rigid, light-weight, ultra-precise platform that allows the patented liquid-filled sensor and its microprocessor circuitry to provide unsurpassed accuracy throughout the protractor’s 360o range. As the protractor is moved, the liquid seeks a new position, resulting in changes in the electrical properties of the sensor. A microprocessor analyzes the changes and calculates the numbers seen on the display. Maximum accuracy of +/- 0.1o and maximum resolution of 0.1o. The easy-to-read LCD display intelligently flips over when the unit is upside down. The unit operates for up to 500 hours on a single 9-volt battery and can be recalibrated to factory accuracy in the field without special tools or fixtures. Comes with a rigid plastic case. 11.5 ounces