Roving Evenness Tester

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Roving Evenness Tester

Roving Evenness Tester

Yarn Evenness Tester is a kind of universal high-performance textile lab instrument. It is used for testing yarn unevenness and hairiness variety, which is suitable for cotton, wool, silk, flax, chemical short fiber spinning and blended yarn. It is very important to improve and guarantee yarn quality.

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Yarn Evenness Tester is a kind of universal high-performance textile lab instrument. It is used for testing yarn unevenness and hairiness variety, which is suitable for cotton, wool, silk, flax, chemical short fiber spinning and blended yarn. It is very important to improve and guarantee yarn quality.

Roving Evenness Tester Feature:

  1. Measurement speed can reach up tp 800/min.
  2. Easy operation: Based on windows operation system, setting and operation is very easy, the ordinary testing process can be finished with one key.
  3. High Automation, add zero push yarn rod, real automatic zero function, add automatic alarm function for yarn broken.
  4. It can test CV% value, U% value, H value ( hairiness function), SH value (hairness function), DR Value and twelve levels faults in real time.
  5. It has various graphic indices, such as variation-length curve, unevenness curve, spectrogram, linear density-frequency distribution, etc, which are convenient to evaluate yarn quality.
  6. The technology of data protection and restoration can effectively protect various data

reports stored in computer and rapidly solve any breakdown caused by the software or hardware.

  1. Test results are stored in a database, so the user can classify, analyze and rapidly retrieve them
  2. Drive system: Adopt imported servo system to improve the reliability.

 

Roving Evenness Tester Parameter:

 

1.Testing range4tex~80ktex
2.Yarn testing speed8 m/min,25 m/min,50 m/min,100 m/min
200 m/min, 400 m/min, 800 m/min
3Testing timefreely set between 10s-20min
5.Coefficient of Variation(CV%) or Unevenness (U%) and CV (1) V-L curve
CV% or U% value testing range: 0.20%~99.99%
V-L curve  cutting length 1cm~1000m
6.Deviation Rate (DR%) and DR curvereference length and threshold

20cm,+35%; 20cm,-30%; 1m,+5%; 1m,-5%

7.Faults valueoutput faults value of twelve levels sensitivity at same time
thin places   -30%,  -40%,  -50%,   -60%
thick places  +35%,  +50%,  +70%,  +100%
neps       +140%,  +200%, +280%,  +400%
8.Spectrogramspectrogram measurable wave-length range 1cm~2950m spectrum channels 170

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