• Auto Twist Tester determines the yarn twist in single yarns plied yarns and open end yarns.
  • It works on the principle of untwist and twist methods.


  • The unique designed twin tensioner makes it possible to apply variable tension for single yarn and constant tension for plied yarns from one single tensioning device.
  • Auto stops after completion of test.
  • Specimen length can be adjustable up to 20 inches.
  •  Builtin program for sample details entry.
  • 4line LCD display and inbuilt memory used for print out the results.
  • Test results in TPI (or) TPM is directly displayed on the LCD display.
  • Special software program to test open end yarns.
  • Step less speed adjustment from 200 to 2000 RPM.
  • Inbuilt mini printer provided by optional.
  • RS232 port for data transfer to computer.
  • Independent yarns stand for easy unwinding and feeding.
  • Stainless steel jaw provided with springs for easy operation and special grip pad for better grip.
  • Constant tension for double yarn and open end yarn.
  • Variable tension for single yarns.


  • Individual test results in TPM or in TPI.
  • Average.
  • Standard deviation.
  • CV%


  • Graphical report for monthly and periodic variation graph
  •  Individual test results in TPM or in TPI.
  • Average,Standard deviation, CV%, Minimum, Maximum, Range



Auto Twist Tester

Electronic Twist Tester
1Display4 Line LCD Display7 Segment LED Display
2Result Printout ProvisionAvailableManually Noted
3Auto Stop After Completion of TestAvailableAvailable
4Data Transfer to ComputerAvailableNIL
5Inbuilt Thermal PrinterOptionalNIL
6HT Tensioner for Multiply YarnOptionalOptional
7Open End Yarn TestingAutomaticManual
8Auto Stop on Preprogrammed TPI for Double Yarn TestingAvailableManual
9Specimen LengthUpto 20 InchUpto 20 Inch
10Testing Speed200 – 2000 RPM200 – 2000 RPM
11Auto Program for Yarn SelectionAvailableNIL
12Result in Memory OptionUpto 6 samples can storeNIL