The HTJS-NS Series torque wrench calibrator is a high-end torque testing device capable of inspecting various static torque tools. It incorporates multiple research and development achievements that enhance performance, along with a user-friendly design philosophy, making it simple to operate, convenient to control, and safe to use, thus enabling smooth and efficient inspection work. With an optimized structural design, a precisely controlled loading system, and excellent stability, repeatability, and anti-interference capabilities, it meets all requirements of the inspection process, improves work efficiency, and reduces the workload for operators. It is suitable for the needs of large and medium-sized enterprises, metrology institutes (or bureaus), high-speed rail sectors, and other industries requiring the upgrade of torque inspection equipment.