EN71 -8.37 Yoyo Ball Performance Safety Tester -TW 263B
The yo-yo ball test appratus is used to measure the initial length and elastic constank of the Yo-Yo Ball, then to jude if the elastic tether will cause any potential damage to children’s neck.
Standard :
EN71-1-2014+A1-2018 section 8.37;
ISO 8124-1-2018 Clause 5.38
Technical 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
Standards
EN71-1-2014+A1-2018 section 8.37;
ISO 8124-1-2018 Clause 5.38
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