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ADS stands for Automated Dynamic Shear Rheometer. When you need absolutely the best precision and accuracy in asphalt characterization, the ADS is the right choice. Since the inception of the SHRP program, Malvern has defined the standard for dynamic shear testing of asphalt. Bohlin DSRs are used in more asphalt testing labs than any other DSR manufacturer. With unparalleled dedication and commitment to the asphalt industry, Malvern remains the number one choice in asphalt shear testing. The original DSR and DSRII are well known for their quality and ease of use. Today, the market demands a greater level of automation and sophistication than ever before. To meet those changing needs, the ADS was developed. The engineers at Malvern started with the most important features of the DSRII and improved upon them - increasing the performance in every respect, improving resolution, torque range, and automating the gap setting procedure.