Optical Quadrant as a specialized inspection instrument for measuring, used for measuring or adjusting inclination & installation angle of a plane or pipe,axle with respect to the horizontal plane, which is convenient to use, high accuracy, stable performance, wildly used in shipbuilding industry, war industry, aviation, manufacturing industry, mounting of large machinery.

Model :STQ-II 

Graduation interval of Circle:30'
raduation interval of Microscope Scale:30"

Graduation interval of VerticalLevel :20"/2mm

Graduation interval of Horizontal Level:3'/2mm

Range of Angle Measuring:±120°

Accuracy of Angle Measuring: ±15"

Overall Dimensions of Instrument : 27×19×20cm

Weights:2 Kg