Automatic Single Yarn Strength Tester
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Automatic Single Yarn Strength Tester TY400C

Rated 4.71 out of 5 based on 7 customer ratings
(7 customer reviews)

Single Yarn Strength Tester,to determine breaking strength and elongation of single cotton, wool and other yarns up to 50 N. Yarn Strength Tester complies with ASTM D2256, ISO2062, GB/T14344,etc. Please contact us for more information about yarn strength testing methods.


Automatic Single Yarn Strength Tester, to determine the breaking strength and elongation rate of single yarn made of cotton, wool and others up to 6000cN, with air-driven clamps. Fully automatically test up to 20 cops at the same time.


  • Working pattern is CRE principle, controlled by software running in computer
  • Automatic feeding of yarn, and automatic clamping for test, fast and without damages to yarn
  • Fitted with Waste yarn collecting device, to make labs clean
  • Test up to 20 cops at the same time
  • Software is offered thus the machine can be controlled by a computer. The built-in printer or an additional printer can print test reports.


  • Test range 20cN ~ 6000cN
  • Accuracy ≤ 1% F. S
  • Sampling range 0 ~ 9m
  • Pre-tension load 0 ~ 100cN, adjustable
  • Elongation range 800mm
  • Gauge length 250mm (stretching rate 220%),
    500mm (stretching rate 160%)
  • Tensile speed 50 ~ 5000mm/min, adjustable


140 kg


220 V50 Hz0.4~0.8 mPa


Width:450 mmDepth:550 mmHeight:1600 mm
18 inch22 inch64 inch


ASTM D2256ISO 2062GB/T 398GB 5324

Leave an inquiry for instruments, methods or any information.

We usually respond within 12 hours, or faster.

Single Yarn Strength Instrument Definition

Fully automatic single yarn strength meter is a high-tech product which integrates the technical characteristics of automatic single yarn strength tester. In addition to the test in the process of the operations done automatically, can obviously increase the work efficiency, to guarantee the machine reliability, improve work stable performance, a number of special effective measures are taken, fully meets the requirement of efficient, accurate, stable and reliable.

Test Specification

The instrument is suitable for all yarns except glass yarn, elastic yarn, aramid yarn, ceramic yarn, carbon fiber, and polyvinyl flat yarn. It can be used to test yarns taken from packages, and by agreement, it can be used to test the remove yarns from fabrics.

The Following Definitions are Used in the Test

Breaking Force: In the tensile test of a yarn, the specimen bears the greatest force when it is stretched to fracture.

Elongation at Break: The increment of specimen length from fracture strength, which is expressed as the percentage of sample length.

Breaking Tenacity: The ratio of yarn breaking strength to its linear density.

Package: The yarn suitable for use, transportation, storage, and other forms.

Instrument Calibration

This function should be performed regularly or when the instrument force value is biased. Steps are as follows:

1 The instrument needs 30min for a warm-up after turning on and make the amplifier temperature to reach the normal operating temperature.

2 Select “Force Calibration” to enter the calibration interface.

3 Move the cursor to “0” and press “confirm” to read the base.

4 Hang 1000cN weight, move the cursor to “Full” and press “confirm”, and there is “1000+base” in parentheses.

5 Move the cursor to “Calibration” and press “confirm”, the right side of “calibration” is “1000”. Please repeat the steps as above when there is a difference.

Test Step

1 Turn on the power, check wheter air pressure is in the range 0.4Mpa-0.8Mpa or not.

2 Turn on the power of the Printer, and clamp the yarn.

3 Enter the operating interface of the instrument and set the parameters according to the test requirements, such as Test Time, Yarn Num, Bobbins, Elongate, Speed and so on.

4 Click “F2” to start and stop running after the test is finished.

5 If the midway shutdown or power failure, the next time the boot can directly click “F1” to enter “Test” interface, and then click “F2” fixed speed test show the positioning of the yarn. Click “F4” continue to enter the steady-state test, and then click “F2” to continue the last shutdown or power off test.

As a professional supplier of textile instruments, we are committed to continually improve the user experience, TESTEX Textile Testing Equipment is a reliable choice for testing textile quality.


Leave an inquiry for instruments, methods or any information.

We usually respond within 12 hours, or faster.

Q: What is single yarn strength and elongation?

A: Tensile testing of yarns is used to determine the breaking force, elongation, and toughness properties of the yarn. Breaking tenacity, a ratio of the breaking force to yarn linear density is also a common property for evaluating the strength of a yarn material and for comparison and validation purposes. Tensile testing of yarn to determine properties such as breaking strength and elongation includes the use of a tensile testing machine and unique grips to hold the yarn.


Q: What is single yarn strength calculation?

A:  Click here for more:

Tmax  =  50 – L + f / 9

Where L – 50% span length

f- Fibre fineness



7 reviews for Automatic Single Yarn Strength Tester TY400C

  1. Rated 5 out of 5


    Good machine & seller

  2. Rated 5 out of 5

    Poppy Bob

    very good

  3. Rated 5 out of 5

    Ellis Pullan

    Fast shipping and works very well.

  4. Rated 4 out of 5

    Hedda Bess

    Very exquisite one! thanks manufacturer.

  5. Rated 5 out of 5

    Eudora Luke

    Recommend this manufacturer!

  6. Rated 4 out of 5


    What is the price of this machine?

  7. Rated 5 out of 5

    Dylan Funk

    The yarn strength tester exactly what i looking for.Thanks manufacturer!

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