Technical parameters: Syringe nominal specifications: 0.2 ~ 3.4mm; Test frequency: 0.5Hz; Rocker arm bending angle: 15 °, 20 °, 25 ° 3 kinds of positions, the switch set bending angle, display in high-brightness 4 digit LED; Bending distance: 6 ~ 95mm, accuracy: ± 0.1mm (10 kinds of specifications); The number of experiments: bi-directional force 20 times. Net weight: 10kg Overall dimensions: 300 × 240 × 240 (mm) Free upgrade according to national standards perpetually