Wavor torque testing instrument has been debugged successfully after R&D, output accuracy is in ±2%. The special torque sensor could be used to detect Wavor electrical torque wrench, pneumatic torque wrench, torque multiplier wrench and cordless torque wrench! It could display the max torque value and real-time torque value. This device would allow customers to fulfill torque wrench calibration and monitor the actual torque value during working.