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  • Magnetostrictive Position Transducers in Medical Applications
    increments can be as fine as the electronic interface will support. A typical magnetostrictive linear position transducer is shown in figure 1. It comprises an electronics head, a sensing rod, and a position magnet. The sensing rod is normally stationary, and the position magnet is attached
  • Rugged transducer puts the "thrill " back in thrill ride
    America to switch from potentiometers to Micropulse linear-position transducers from Balluff Inc., Florence, Ky. These noncontact, industrially hardened transducers provide continuous, absolute position and velocity feedback to three hydraulic cylinders, each with an 18-in. "throw " range. This allows
  • Medical Device Link .
    Spotlight on Sensors and Transducers A transducer incorporates a flexible cable, a spring-loaded spool, and a potentiometer to detect and measure linear position. With a measurement range of 4.75, 12.5, 25, or 50 in., the SP1 string pot is suited for restricted space installations. Most common
  • Positioning Components
    A number of positioning components are commonly employed in industrial closed-loop systems today. These components fit the general categories of controllers, mechanical positioning hardware, feedback transducers, and motors. Outputs from closed-loop positioning systems are rotary or linear motion
  • Electrohydraulic Actuators
    of these actuators is the feedback system. A number of different feedback systems, both mechanical and electrical, are used, depending on the accuracy and durability required. One method for accurately sensing cylinder rod position is with a linear displacement transducer. In one widely used system
  • Ultrasound scans IN THIN AIR
    the transducer above a test specimen while recording transducer position. Gantry cost was a major factor because the manufacturing market is highly price-sensitive, says Neeraj Bhardwaj, a spokesperson for Second Wave. Ultrasound imaging is widely used in laboratories for nondestructive materials
  • Servopneumatics offers reliable, economical motion
    : controller, proportional valve, actuator, and axis interface. The axis controller provides processing, comparing, and diagnostic functions. It sends positioning control signals to the valve, which supplies air that moves the actuator to a preprogrammed stop position. A transducer reads actual position
  • Measuring liquid levels with LVDTs
    . The sensing of lowdensity liquids or of small level changes may require special, lowpressure transducers that are expensive and hard to find. The use of a float attached to a nearly friction-free linear-variable-displacement transducer (LVDT) offers a reasonable replacement. LVDTs can measure liquid-level

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