คุณลักษณะ

• A pendulum tester for group experiments that can be mounted on a φ12 mm iron stand.
• A simple protractor is installed so that you can check the swing width.
• The thread can be hung in a V shape to prevent horizontal shake and to perform stable pendulum movement, and to easily attach and detach weights.
• The upper part is equipped with a thread winder, and the length of the pendulum can be adjusted by winding the thread.
• In addition, it is compact and easy to store when the thread is wound, and it can prevent the thread from getting tangled during storage.