boyle law demonstrator pressure and volume relationship experiment instrument junior high school physics demonstrator materials 波义耳定律演示器 压强与体积关系实验仪 初中高中物理 演示器材

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Poyet's Law Demonstrator, accurately showing the inverse relationship between pressure and volume.

A sealed syringe is equipped with a pressure gauge; the readings are easy to interpret, and the operation is simple, addressing the issue of large experimental errors.

With CE certification, it is the preferred choice for teaching. It brings abstract principles within reach and ignites enthusiasm for scientific exploration.

Suitable for middle and high school physics classes, helping with efficient learning