Extensometer 延伸計

延伸計
此裝置可用於測量試樣的物理形變量，如拉伸測試時，試樣的寬/厚度變化。
測量範圍為250mm，標距為25mm。

Extensometer
This device can be used to measure the physical deformation of the specimen, such as the width/thickness change of the specimen during tensile testing.
The measurement range is 250mm and the gauge distance is 25mm.