The YLM - Yarn Lenght Meter

The YLM-Handy was specially developed for the main application in the circular knitting. The yarn material is produced with the parameters yarn tension and yarn length from the needles out of the yarn storage to a knitted fabric with a certain strength and area weight. The infeed length of the yarn with a certain yarn

tension knitted into stitches is measured in meter or inch for one or more machine revolutions in the circular knitting. These determine the material consumption of the standard yarns. This measurement is safe and fast with the YLM-Handy.

Function & application

Elastanes are knitted together with standard yarns to give the fabric a permanent elasticity. Because the infeed length is prestressed, this means in a stretched state, the length unrolled from the bobbin is measured in the unstretched state and the material consumption is determined.

As a measure for the wanted return of the product is given as parameter the elongation at a certain yarn tension. The elongation in percent is the relation of the elongated length to the not elongated length of the elastane. Both length can be defined simple and safe with the YLM-Handy.


A further application of the yarn tension measuring instrument is to adjust the cam stitch in the knitting machine lock in machines with positive yarn feeding.

For this setting all systems are put into working position. Now the cam stitches can be set to a certain position that all systems have the same yarn length and yarn speed. This results an uniform high-quality loop structure.

These requirements combined with simple and safe handling fulfill the YLM-Handy in an excellent way.

Our YLM video tutorial

Product information

  • High Precision even for fine Elasthan
  • touch & turn easyly places yarn to be measured
  • Very small measuring head which fits into hard to reach areas
  • Digital signal with LCD display show CM or INCH
  • Yarn length, Yarn speed, Machine speed measurement through direct Yarn contact during full production
  • Magnetic Turns-Sensor with 2 m cable
  • Special SANTONI-cable for direct turnsimpuls from machineboard SANTONI and SANGIACOMO

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