Quality Standards

David L. Ellis Co, Inc. products meet a demand in quality control for consistency in material and repeatability of numbers, backed up with a knowledgeable sales staff familiar with the problems and demands of quality inspection on today's production lineKits. Our service staff can offer you over 125 years of combined experience in repair, calibration and service of all makes and models of hardness testers to the applicable A.S.T.M., ISO, and military specifications.

Today's quality standards are constantly in motion; as technology improves and becomes more sophisticated, manufacturing specifications are being upgraded to accomodate these changes. We are dedicated to maintaining our edge in the hardness testing industry by being involved in the standards process. David L. Ellis Co., Inc. is a voting member on the following A.S.T.M. Committees: E-18 (Rockwell Standards), E-384 (Micro Hardness Standards), E-10 (Brinell Standards), and E-110 (Portable Hardness Standards).


Certificate of Calibration and Conformance samples (PDF files):



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