Yo-Yo Ball Length Tester GT-MB19B: Function, Operation
Apr 29, 2025
Yo-Yo Ball Length Tester GT-MB19B: Function, Operation
Yo-Yo ball is a hand-skill sport popular worldwide. Due to its lightweight and flexible design, it is often marketed as an educational toy favored by parents. However, many are unaware that it may pose hidden safety risks. As a tethered toy, the Yo-Yo ball can be dangerous if the string is too long. If the tether wraps around a child's neck during play, it may lead to choking.
According to statistics, the choking incidents caused by Yo-Yo ball commonly occur between the ages of 3 and 6, so it is very important to check the physical and mechanical safety of children's toys.
The Yo-Yo Ball Length Tester, is an instrument that can test Yo-Yo ball for the risk of neck injuries. Next we'll take a closer look at the machine and how it operates.
What is The Yo-Yo Ball Length Tester, GT-MB19B？
Yo-yo Balls Testing Equipment used for measure the length of Yo-Yo ball under the 80rpm rotary speed, to determine whether the Yo-Yo ball of the elastic ropes have the hazard of neck injury.
Conforms to ASTM F963 section4.37, 8.24-2017
How to operate Yo-Yo Balls Testing Equipment
1. Preliminary Preparation
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Connect the air hose. Confirm power supply AC220V and connect.
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Turn on the power switch.
2. Start operation
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Trial run: Click 'Start' to begin, check whether the motor rotates and whether the counter counts normally.
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Adjustment of the speed 80r/min (the speed knob can be adjusted to the mark, or you can verify that the motor turns 80 revolutions in 1 minute).
3. Installation
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Installation of the yarn.
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Installation of the sample.
4. Setting parameters
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Click ' to move the cursor, click’ to set the number of tests. Wait for the green light, click ‘ to clear the data. Wait for the green light, click ' to clear the data.
5. Start the test
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Press 'Start' to start the test.
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When it reaches the set number of times, it will stop automatically.
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Cut the yarn and measure the length.
