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认识测力计

适用年级 1-6 年级

key word:Digital inquiry experiment system

key word:

Product Classification:

Product Description

原理 

使用测力计时,应先拉动弹簧,防止其卡住,摩擦,碰撞、了解量程、明确分度值、校零、使用中

不能超量程使用、同方向、读数时视线要与刻度板垂直。

 

目的 

学会如何使用测力计。

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