Scope of Application

【Operating Instructions】

Used for measuring the friction characteristics of yarns. It is suitable for determining the dynamic friction coefficient of chemical fiber filaments and other yarn materials, as well as for measuring the friction coefficient of textile accessories such as cots. It is an instrument for evaluating the friction coefficient of filaments and textile accessories.

**YS-022A-II Yarn Dynamic Friction Coefficient Tester**

**【Instrument Application】**  

Used for measuring the friction characteristics of yarns. It is suitable for determining the dynamic friction coefficient of chemical fiber filaments and 

other yarn materials, as well as for measuring the friction coefficient of textile accessories such as cots. It is an instrument for evaluating the

 friction coefficient of filaments and textile accessories.

**【Applicable Standards】**  

T/CNTAC 4, JIS L1095, ASTM D 3108 — Test method for friction coefficient between yarn and solid materials.

**【Instrument Features】**  

1. The whole casing is treated with a spray coating process, offering an elegant appearance and easy cleaning.  

2. Special aluminum panel, imported meter, and stainless steel buttons ensure sensitive operation and high durability.  

3. The instrument’s movement is controlled by dual motors for reliable and stable performance.  

4. The moving carriage is equipped with imported precision bearings for long-lasting durability.  

5. The core control unit uses a 32‑bit microcontroller from STMicroelectronics, forming a multifunctional motherboard.

**【Technical Parameters】**  

1. **Force measurement range:** 0 – 5 N  

2. **Friction coefficient range:** 0 < μ < 1  

3. **Adjustable wrap angle range:** 0° – 360°  

4. **Yarn test speed:** 100 m/min  

5. **Power supply and power consumption:** AC 220 V, 50 Hz, 300 W