Huanyu HP-100 Digital Torquing Meter Torsion Meter Screw Driver Wrench Measure Tester With Calibration Certificate1.[Three units]: The force sensor head is fast and accurate, and the machine can easily switch between kgf. cm: 1. 5 100. 0,lbf. in: 1. 5 90. 0,N. m: 0. 15 10. 00. 2.[Two Modes]: There are optional switches for peak and tracking modes. There is a reset button for easy observation and recording, and the peak hold function ensures stable work. 3.[Safety and stability]: Automatic charging control, and two hexagonal foot fixing screws are provided to