Y331S Digital Reeling Twist Tester is used to determine the yarn twist of single or plied yarn by direct count or untwist-retwist methods.
STANDARDS
ISO 2061
GB/T2543.1/2, 14345
ASTM D1422/D1423
FZ/T 10001
Note: this tester can conform to butnot limit to the standards above, for more standards conformance, pleasecontact us.
Test methods
1. Direct count;
2. Once untwist-retwist method;
3. Twice untwist-retwist method;
4. Triple untwist-retwist method.
Sample length
25,50,100,200,250,300,350,400,500mm
Range of tested yarn
1~499.9tex
Measuring range
1~9999.9 twist
Twist unit
T/250px, T/inch
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