Electronic Yarn Twist Tester is used for determining the twist of various yarns.

The properties of the Twist Tester are in conformity with the new national standard GB2543.1~GB2543.2 Textiles--Determination of twist in yarn, the international standard ISO2061 Textiles - Determination of twist in yarn - Direct counting method, the standard of the former Ministry of Textile Industry FJ547 Test method for open-end gray cotton yarn, and the national industrial standard FZ/T10001 Determination of twist in open-end yarn – untwist-retwist method.

Main Technical Specifications

1.Measurement range: for all kinds of yarns.

2.Yarn tension: adjustable by a set of weights depending on the type of yarn.

3.Rotating speed of gripper: 1500 r/min, 800 r/min, slow inching speed.

4.Length of measurement: 25, 50, 100, 200, 250, 500 mm.

5.Number of measurements: no more than 99 cycles.

6.Measurement method:

a.  Direct counting method;

b.  Untwist-retwist method;

c.  Double untwist-retwist method;

d.  Three-time untwist-retwist method.

7.Method of measurement data output:

a. Display output;

b. Print output: Xi for twist value of each test; for average twist value of each batch of tests; Nn for number of tests; N1for number of tests below the average twist; S for mean square deviation; H for coefficient of mean deviation; CV for coefficient of variation; and α for twist factor.

8.Power source: 220V±10%, 50Hz.

9.Power requirement: low than 25W (main unit).

Operational environment requirement: temperature 20℃±10℃.

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