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Textest FX 3750 Digital Elmendorf Tearing Tester

TEXTEST AG, Switzerland is very well-known for its products like Laboratory Air Permeability Tester, Dynamic Air Permeability Tester, Automatic Pick Counter, Hydrostatic Tester, Tear Strength Tester Elmendorf, Portable Moisture Meter, etc. Textest Instruments are ISO Calibrated and are shipped with the ISO certificate. They are made in accordance to ASTM, DIN, BISFA, EDANA, English standards and comply with any standards in the world. Their instruments are the only one in the world, which are computer technology based. This gives Textest a winning edge against others.

The Textest FX 3750 Digital Elmendorf Tearing Tester is a microprocessor controlled falling pendulum instrument with digital display for determination of the average force required to propagate a single-rip tongue-type tear starting from a cut in paper, cardboard, plastics, nonwovens and woven fabrics. The instrument covers an extremely wide measuring range extending from very low values to unusually high tearing forces. Therefore, it is perfectly suited as a universal instrument for measurement of all kinds of test specimens from fine to heavy duty materials.

The instrument works in accordance with AFNOR G 07-149, ASTM D 689, ASTM D 1,424, ASTM D 1.922, ASTM D 5,734, BS 4,468, DIN 53,128, DIN 53,862, INDA IST 100.1, ISO 1,974, ISO 4,674, ISO 6,383-2/360A, ISO 9,290, EN ISO 13,937-1, Marks & Spencer P 29 (with modkit FX 3750-M&S), SCAN P 11, SNV 198,482, TAPPI T 414, and other standards.

The instrument computes the average tearing force of a cut specimen from the energy loss of a falling pendulum. This test very well stimulates the practical case where a test specimen is exposed to a sudden heavy load which causes the test specimen to tear, propagating an existing cut, such as a seam or a button hole.

The instrument digitally displays the average tearing force of a single test specimen in one out of seven switch selectable units of measure, rounded to the nearest three digits. The displayed test result automatically considers the selected pendulum weight and the number of test specimens, thus eliminating the need for retroactive conversion. Test results falling into a portion of the measuring range, which is declared invalid by some or all test standards cause an audible alarm and are clearly identified by a coloured LED display.

Instead of a slave pointer, the instrument employs a digital optical encoder for measurement of the pendulum movement. This eliminates the usual friction, adjustment and maintenance problems and significantly improves the measuring accuracy of the instrument. The instrument features an automatic calibration function, which compensates for the pendulum friction and for an levelling error of the instrument. Therefore, the instrument requires no spirit level.

The empty pendulum is completely balanced, so that the test result is solely determined by the weight of the pendulum weight(s) used. This eliminates the need for special calibration check weights. The periodic calibration check is reduced to a simple determination of the weight of the pendulum weighs, which can easily be done with any suitable balance.

The instrument is supplied with an ISO conform calibration certificate. The instrument has been designed for easy handling and for maximum operator safety. By means of unique specimen clamps the test specimen is loaded to the instrument quickly and without appreciable force by simply flipping over two levers. This eliminates the cumbersome and sometimes painful tightening of conventional screw-type sample clamps.

During loading of the test specimen, the movable sample clamp is latched, so it cannot give way and bend the test specimen. For the higher measuring ranges two or four pendulum weights are used together on the twin pendulum. Therefore, in spite of the high capacity of the instrument, none of the pendulum weights is heavier than 6 kg (13 lbs)!

published August, 2013
For further information
Full Address of the Manufacturer/Supplier/Exporter/Dealer/Distributor/Service Provider Thymas Electronics Pvt Ltd
Yogidhara, Building, Post Box No 3744, 2 Nandanvan Society, Behind Railway Station
Vadodara - 390 007 Gujarat, India (Republic of)
Telephone Numbers of the Manufacturer/Supplier/Exporter/Dealer/Distributor/Service Provider Telephone: + 91 265 91-265-2351634/2312730.
Fax Numbers of the Manufacturer/Supplier/Exporter/Dealer/Distributor/Service Provider Fax: + 91 265 91-265-2335581.
  Send an enquiry for Textest FX 3750 Digital Elmendorf Tearing Tester
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