Yarn Twist Tester

Determine the twist in yarns, twist irregularity and twist shrinkage.

Product Model: Y331C
Design Standard: ISO 2061, ASTM D1422, JIS L1095


Determine the twist in yarns, twist irregularity and twist shrinkage. It is applicable to single yarns (spun and filament), plied yarns and cabled yarns.



The twist in a known length of yarn is removed by rotating one end of the specimen with respect to the other until the components of the yarn being tested are parallel. The exact number of turns required to remove the twist is reported in terms of turns per unit length of yarn.


Test Standard:

ISO 2061, ASTM D1422, JIS L1095



Working mode

Microcomputer control, data processing, data printing

Testing method

 Untwist-retwist Method A,

Untwist-retwist Method B,

Triple Twisting Method

Sample length

10, 25, 50, 100, 200, 250, 500mm

Twist range

1~6,000 twist/10cm; 1~6,000 twist/m

Untwisting range

Max. 60mm

Twist shrinkage


Rotating speed




Power source

1-phase, AC220V, 50Hz

Machine size




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