Sturtevant Richmont Exacta 2 Digital Torque Wrenches are designed for precision and reliability in torque measurement. These wrenches feature bi-directional accuracy of +/- 1% to 100% of capacity in Track and Peak modes, meeting or exceeding ASME B 107.300-2010 and ISO 6789 standards. The Residual mode helps users determine retained torque on joints. Programmable limits and a Yellow/Green/Red illumination system guide torque application, with audible beeper prompts supplementing visual cues. The Exacta 2 series offers 999 memory locations for data access, review, upload, and printing, all from the front keypad, and comes with free Exawin software for PC programming. Equipped with the S/R Dovetail on four of six models, these wrenches are compatible with S/R Interchangeable Heads. Powered by four AA NiMH batteries, they come with a free ISO/IEC 17025 calibration certificate.