... range: 0~±6000MpaResolution: 1μεResistance strain gauge application: 120Ω±0.5The LED display the three directions’ strain value ε1,ε2 and ε3 ... stressIt can drill freely at plane,curved surface,fillet weld,butt weld,corner ect in different workpiece.Hole diameter: 1.0 ... stressIt can drill freely at plane,curved surface,fillet weld,butt weld,corner ect in different workpiece.Hole diameter: 1.0 ...