Name of equipment:

Dynamometer for yarn testing

Purpose:

Measurement of breaking force and elongation of yarn.

Model, type, country of origin:

 Louis Schopper, Germany

Technical characte-ristics:

 Force: 0 – 3000 g

Elongation: 0 – 250 mm
Year of origin:  2002                   

Figure:

Method of
work:

 Yarns are subject to tensile force to break. The measuring length of the tube is 50 mm, pre-load is 0.5 cN. After testing the average value of measurement results is calculated.

Department,
room, location:

 Department for Textile Chemistry and Ecology, Textile Research Laboratory, Savska cesta 16/9
Addition note:  

The corresponding standards:

ISO 2062:1993 – Textiles – Yarn from packages – Determination of single-end breaking force and elongation at break

ISO 6939:1988 – Textiles – Yarn from packages – Method of testing for breaking strenght of yarn by skein method