SPI Digital Protractor-Digital Protractor Angle Measurement Tool - 13-770-3

SPI DIGITAL PROTRACTOR
This protractor provides an immediate digital reading of any angle in a full circle with 0-90º-0-90º-0 readings.  The machined aluminum frame is rigid and light with a precise platform that allows the sensor and its microprocessor circuit to provide hight accuracy throughout the entire 360º range.
•Four 90º quadrants for display purposes.
•Calibrates in minutes without any special fixtures.
•HOLD button for freezing a reading in an unreadable position.
•ABS/ZERO button allows 2 measuring modes, Standard and Alternate Reference.
•V-grooves on top and bottom for use on curved surfaces.
•Angle displayed upright regardless of Protractor position.