| Usage: | Physical & Mechanical Test Instrument |
|---|---|
| Power: | Electronic |
| Model Number: | TW-263B |
| Brand Name: | HTI |
| Place of Origin: | China (Mainland) |
| Dimensions: | 260*120*180mm (L*W*H) |
| Weight: | 1.99 kg |
Quick Details
Specifications
The yo-yo ball test apparatus is used to measure the initial length and elastic constant of the Yo-Yo Ball, then to jude if the elastic tether will cause any potential damage to children's neck.
Specifications:
1. Mass: 0.05±0.001kg, 0.1±0.005kg, 0.2±0.005kg
2. Steel ruler: 1.4m or 1m
3. dimension (WxDxH): 400x400x1500mm
Standard: EN71 8.37.1 /8.37.2
Yo-yo ball measurement and the graduated scale
