​Preparation before operation of the leather material tensile testing machine:

1. Na čvrstom temelju ili radnom stolu, pravilno postavljenom, okolina nema vibracija i korozivnog medija;

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;

3. Sobna temperatura je 10 stupnjeva -35 stupnjeva, a relativna vlažnost zraka nije veća od 80 posto.