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  • Medical Device Link . Benchtop EMC Testing Techniques for Medical Equipment Using loop probes to help test devices for electromagnetic compatibility saves costly redesign and complements open area and chamber tests.
    board is far more difficult than doing so on a multilayer board with a dedicated ground plane. If the two-layer board passes the final EMC test, everything is fine. However, if it fails, redesign may delay production and shipments. A more prudent approach would be to design a two-layer board
  • IR Characterization of Bi-Propellant Reaction Control Engines During Auxiliary Propulsion Systems Tests at NASA's White Sands Test Facility In Las Cruces, New Mexico
    (NASA) White Sands Test Facility (WSTF) near Las Cruces, New Mexico. Typically, NASA has relied mostly on the use of ThermoCouples (TC) for this type of thermal monitoring due to the variability of constraints required to accurately map rapidly changing temperatures from ambient to glowing hot chamber
  • What's the Difference Between Dynamic Tests and Climatic Tests?
    Dynamic tests simulate mechanical force inputs to a structure. That force could be induced by usage, such as inertial effects on aircraft electronics during flight. Or the force could be induced externally by accident, such as a piece of crated office equipment bumping during shipping. Examples
  • Stress Rupture Tests
    in strain is recorded over time. Short and medium term creep and stress relaxation testing can be performed on static or dynamic systems. However, some long term creep tests utilize a special test frame designed specifically for that purpose.
  • USP Tests to be Updated
    the compendial methods in such a way that unequivocally identifies the material of interest with orthogonal tests - maybe a physical test such as density or hardness or melting point, maybe a chemical test like HPLC or NMR or mass spectrometry. And then in those cases where there 's biological activity
  • Shear Strength and Torsion Tests
    Shear strength is defined as the maximum stress that a material can withstand before failure in shear. In a planar shear test, opposing forces are applied parallel to the cross-sectional area under test. Torsion tests also provide an indication of shear properties. Torsion test evaluate materials
  • Adhesion Tests (Bond / Peel)
    Adhesion, bond or peel tests are used to evaluate joints, adhesives, coatings, adhesive tapes adherence, bond strength, or peel strength. ASTM D-952 defines bond strength as the tensile stress required to rupture a bond formed by an adhesive between two metal blocks. Adhesion is the state in which
  • Preparing leather for chemical tests
    Leather is produced by tanning of skin. Modern technologies of the leather production ensure that the leathers are available contaminant free. FRITSCH Cutting Mills are perfect for the sample preparation of leather for further tests.
  • Compression Set and Deflection Tests
    The term compression set test is the amount, measured in percentage, by which a standard rubber test piece fails to return to its original thickness after being subjected to a standard compressive load or deflection for a fixed period of time. The set test is used to determine the quality of rubber
  • Mechanical Properties and Tests - A to Z
    there are literally hundreds of different mechanical properties and terms. And behind each property there generally is a test that defines the property and tells how to measure it.