The Starrett HF600-221 34705 Quadra-Chek 221 Horizontal Floorstanding Optical Comparator; 24" Screen, 12" / 300mm X 8 "/ 200mm Travel with Quadra-Chek 221 comes with Quadra-Chek 221 and utilizes compact and precise digital readout for X,Y and Q measurements. Ideal for displaying linear and angular dimensions- capable of absolute/incremental measuring, "Q" axis reads out in Angular coordinates, Readout is equipped with RS232 port for communication to a PC, and printers can be setup via the USB Port. Includes the ability to measure 2D features such as diameters, radius, angle, lines and point features. Part skewing makes setting up quick and easy. Programs can be recorded to speed up the measurement of multiple parts. An optional Footswitch is available. The HF600 Optical Comparators have a large 24" screen, 12" X-axis (16" optional) and 8" Y-axis motorized travel (CNC control optional), lens turret with 4 lens capacity, Q-axis digital protractor with angular measurements to 1' resolution, your choice of powerful Quadra-Chek or MetLogix software control systems, canopy and curtains. A time tested, cost effective, solution for non-contact measurement. They are simple to use, yet have excellent capacity and performance to satisfy an exceptionally wide Range of dimensional inspection applications and complex measuring requirements. At the heart of these systems are precision optics, superb lighting and a highly accurate workstage which combine to ensure bright, sharp images and exceptional accuracy. Horizontal models work well with parts that need to be fixtured, held in a vice or on centers. *Lenses, Options and Accessories SOLD SEPERATELY. Please contact Customer Service to determine the necessary specifications for your needs.