| Power Supply | AC220V, 50Hz |
| Flexing length | 800±5mm |
| Initial distance between the clamping heads | 200±2mm |
| External diameter of the sample | 6~32㎜ |
| Length of the sample | ＞2000㎜ |
| Above-ground height of the fixture | 1500mm |
| Flexibility determination | 1. The plumb line coincides with the sample tangent line. 2. The absolute value of displacement between the two clamping heads meets the generic standards. |
