2
Introduction
The Pro 360 Digital Protractor is a
revolutionary measuring tool that
provides an immediate, digital reading
of all angles in a 360° circle. The
machined aluminum frame is a rigid,
light weight, ultra-precise platform that
allows the state-of-the-art sensor and
its microprocessor circuit to provide
unsurpassed accuracy throughout the
Protractor's 360° range.
The Pro 360 uses an innovative liquid filled angle sensor. 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.
sensor
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