Lawson-Hemphill Constant Tension Tester

Lawson Hemphill Constant Tension Transport for Elastomeric Yarns, CTT-E is a dynamic quality control test instrumet, specifically designed for the elastomic yarn marlet in mind.

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Lawson-Hemphill Elastomeric Yarn Knitter

The Elastomeric Yarn Knitter has the ability to knit bare elastomeric yarn and to lay in for recovery evaluation of elastomeric yarn. The plating whereas the yarn feed device is adapted to the simultaneously feed elastic and non-elastic yarns to the needles of the knitting machine.

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Lawson-Hemphill Digital Friction Meter

The LH-604 Lawson Hemphill’s Digital Friction Meter is a reliable and economical method for computing yarn coefficient of fricton (μ). Windows XP® software has been added which allows the DFM readout to be connected directly to your personal computer or lap top with a complete statistical package. Readout data includes coefficient of friction (μ), COF averages with standard deviation statistics, limits for high and low and one-button transfer of results to Excel or CSV file. Also graph and histogram are provided.

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Lawson-Hemphill Draw Force Tester

DFT is a stand-alone Draw Force Tester. The instrument measures the Draw Force of the POY as it passes through the heater under constant extension. The textile industry uses Draw Force Measurement to check the uniformity of the POY before texturizing and FDY production. It is ideal for use in production control and R&D labs as well as dyeing plants.

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Lawson-Hemphill Draw Force Tester With SAK Package Changer

When equipped with the Sample Automatic Splicer, SAK as the system package changer, the DFT-SAK will run continuously maximizing the test efficiency. The operator can preload 36 yarn ends in SAK Rotary Magazine and the yarn ends will be spliced automatically, ensuring non-stop draw force measurement.

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