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                The breaking load at break are one of the most important property of any yarn. cord or thread. These are usually determined either by equipment having a constant rate of traverse or by equipment having a constant rate of loading.

The “ASIAN” Lea Strength Tester provides a relatively inexpensive way for determining the tensile strength and elongation of yarn lea. They are based on constant rate of traverse principle in which one end of the test specimen is held in a stationary grip, while the other end is made to move at a known fixed speed with the help of motor, gear box and screw arrangement. The load exerted on the stationary grip is sensed by a load cell and indicated by a digital load indicator. The controller is microproccer based and has the facility of over load protection, peak hold and auto calibration. There is a socket in the indicator which is connected to the PC.  The load directly indicated in kilograms or Newton.

            We provide the Window based software which give the different measurement parameter and the graph between load vs elongation. The report can be printout by using proper printer.

The elongation of the test specimen is measured on a digital indicator fixed on the frame of the tester, which indicates the distance between the grips.

            The variable speed model speed is vary by a knob fixed on the panel and the speed also digitally indicated on the control panel of the instrument or by simply types the speed on the monitor of the computer.

            Various built in safety arrangements such as over travel protection, are provided.

            The tester is finished in painting, powder coating and bright chrome/zinc plating to give the apparatus a corrosion resistant finish. It is supplied complied which electrical. Which include micro-switches, push buttons and contactors for safe and convenient operation.

            A variety of grips suitable for holding different materials are offered as optional accessories. 


  • Range: 0- 500 lb 
  • Least count: 0.1 lb
  • Type: Vertical Type
  • Elongations: Up to 900mm X 0.1 mm least count digital display
  • Traverse Speed: Variable 20 mm/min to 500 mm/min.
  • Digital Display: Load and Elongation
  • Motor:  1 Hp, 1425 rpm, induction motor
  • Power required: 1500 W, 50Hz, 220V AC single phase.

(Other power options are also available)


ASTM-D 5035, ASTM-D 1578, ASTM D-5034, ASTM D-434, BSEN 1002-3, BS-1610, DIN-51221