Preparation before operation of the leather material tensile testing machine:

Jul 22, 2021 ترك رسالة

1. على قاعدة صلبة أو منضدة عمل ، مثبتة بشكل صحيح ، البيئة ليس بها اهتزازات ولا وسط تآكل ؛

2. The fluctuation range of the power supply voltage should not exceed ±10 percent of the rated voltage, the power supply of the testing machine should be reliably grounded, and the frequency fluctuation should not exceed 2 percent of the rated frequency;