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  • Collimation Tester
    , but the Newport Collimation Tester offers the researcher a simpler approach. The Newport Collimation Tester 20QS20 makes use of a technique called "Shearing Interferometry." This is a null method used to test the collimation of laser light whose coherence length is long compared to the thickness
  • FAQs For Hardness Testers
    testers that are touted as being "American Made " are in fact only assembled in the USA with all parts procured from non-US vendors. If you can 't get the right answers from your current hardness tester supplier, you can contact us. Home | Site Map | Contact Us | FAQ's Copyright (C) 2011 United
  • Friction Testers and Wear Testers
    Friction testers determine the coefficient of friction or the friction force. Additionally, they measure the resisting force tangential to the interface between two bodies when under the action of an external force, one body moves or tend to move relative to the other. Wear testers evaluate
  • Insulation Tester Basics
    One of the most commonly used instruments in industrial maintenance is an insulation resistance tester. Since insulation breakdown can cause production loss and is a safety hazard, industrial electricians use insulation resistance tester to judge the condition of the insulation
  • Verifying Cable Tester Programs
    Tester Programs BEFORE Testing. Cable Testers and Harness Testers Made Easy!. Cable Testing Products Support Information Center About Us Contact Us. 1-800-441-9910. Verify Cable Tester Programs BEFORE Testing. In order to assure valid testing on your harness or cable
  • Application: Function PCB Testers Use Reed Relays
    Functional PCB testers are in some cases, up to 20 layers thick,. requiring 1000s of test points for functional verification. Because of size restrictions, isolation,. relatively fast acting and good RF characteristics, reed relays are often chosen as the testing switch. Microsoft Word
  • Getting the Best Out of Your Torque Tester - Part One (.pdf)
    As discussed in the previous article, there are different types of torque tester: mechanical, hydraulic and electronic. Mechanical and hydraulic testers generally use a needle on a dial to show the torque value. They share three common problems: Firstly it is difficult to see where the needle has
  • Brinell Hardness Testers
    Brinell hardness testers are used widely with castings and forgings. The Brinell test method applies a predetermined test force to a carbide ball of fixed diameter that is held for a predetermined time and then removed. The diameter of the indentation width is measured twice, usually at right
  • Rockwell Hardness Testers
    The Rockwell test method is defined in ASTM E-18 and is the most commonly used hardness tester operation method since it is generally easier to perform and more accurate than other types of hardness testing. Rockwell hardness testers can be used on all metals except in conditions where the test

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