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  • Measuring Static Overpressures in Air Blast Environments
    . overpressure in an air blast is extremely challenging. Pressure rise. times can be sub-microsecond, demanding extremely highfrequency. response from the measuring pressure transducers and. their associated signal conditioning. þÿ T E C H N I C A L N O T E. TN-27. Measuring Static Overpressures
  • Measuring liquid levels with LVDTs
    LVDTs sometimes work better than pressure sensors for gauging tank volumes. A common way of measuring the level of liquid in a tank places a low-pressure sensor at the bottom. The pressure readout is the product of the liquid column height times the density of the liquid. As long as liquid density
  • A Cure for Hammer Rash: Measuring Powder Flowability with Shear Cell Testing
    Preventing discharge problems in vessels and containers requires a detailed understanding of your powder's flow characteristics. This article explains how a shear cell tester can simplify and speed tests for measuring a powder's flow behavior. With built- in software to quickly analyze the test
  • Measuring Ground Resistance Fall of Potential Method
    The basic procedure for testing ground electrodes is described by The Institute of Electrical and Electronics Engineers in IEEE Standard #81, IEEE Recommended Guide for Measuring Ground Resistance and Potential Gradients in the Earth. A grounding electrode is defined as "a conductor embedded
  • Digital Calipers Go Beyond Basics (.pdf)
    Measuring calipers have been around for nearly 150 years. In that time they have evolved into fullfeatured digital measuring systems. But it is a testament to the simplicity and versatility of the original design that the evolution has been so slow and that so few changes have been required
  • Intralox: Automation - The Key to Achieving Speed-to-Market Capability (.pdf)
    component of our strategy.". Intralox produces thousands of graphite electrodes per year that are used to make the molds for the various types of belts. "Before we purchased the CONTURA coordinate measuring machine (CMM) from Carl Zeiss, we were using general hand tool measuring devices like your
  • Electrohydraulic Actuators
    the sensor interact with the magnetic field and return a sonic pulse. Distance can be determined by measuring the transmission/reception time interval. Positioning accuracy is 0.001 to 0.003 in. Another way to accurately control position is to hydraulically amplify the motion of a stepping motor
  • Novel Interferometer Enables Challenging Measurements
    Dynamic interferometry is a standard technique for measuring optics, meter-class optics and optical systems in challenging environments. The method provides high out-of-plane resolution and repeatability even in the pres¬ence of significant vibration and air turbulence. A new dynamic interferometer

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