Marshall Test Load Ring

These calibrated load rings with dial gauges for use in Marshall testing come with a unique serial numbered for positive identification. The dial gauges read in inches, but each load ring comes with a calibration chart showing lbf vs. deflection in inches, kN vs. deflection in millimeters and kN vs. deflection in inches for easy conversions. Units are calibrated in lbs. force every 20 lbs. from 0 to 1,000 lbs. and every 50 lbs. from 1,000 to 11,000 lbs. with adequate deflection to interpolate to 10 lbs., in kg force and kN. Comes with 3/4"-16 female, threaded mount.