The Model 650.03 Extensometer Calibrator is a precise instrument designed and built for rugged, long-lasting durability. It gives you freedom from wear; vital for the high accuracy required for precise calibrator verification of high resolution instruments.
The micrometer head has a spindle with a large diameter lead screw to reduce wear and resulting backlash and to provide higher strength and stiffness. Larger mounting diameters reduce the unit stress required in mounting the micrometer head to the frame. The micrometer head is large for easy readability, accurate adjustment, and improved repeatability of gage calibration.
