Ningbo Kaidi Science Instrument Co., Ltd
Contact: Cai Rong children
Tel: 0574-63325388
Mobile: 13505842066
E-mail: 391964179@qq.com
Website: www.kdkjyq.com
Website: en.kdkjyq.com
Address: No. 588, Huancheng West Road, Zhouxiang Town, Cixi City, Zhejiang Province, China
The correct use of the extension spring teaching equipment Pu teaching equipment
First, the teaching instrument extension spring use: for junior high school "science" student experiment. And the deformation of the spring under external force is explored.
Second, the teaching instrument extension spring usage: the spring suspended in the square seat bracket, the other end of the hook code, 1N, 2N, 3N, 4N, 5N, gradually increase ( 30cm ruler ruled out the length of the spring elongation.
Third, note:
1. Teaching equipment extension spring elastic limit is 5N, not overload.
2. teaching equipment to avoid exposure to acid spring, alkali, water anti-corrosion.
3. Teaching equipment Lahuang should be placed in a cool, dry place.
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