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  • 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
  • Ultrasound scans IN THIN AIR
    Better transducers and inexpensive, high-accuracy gantries expand the scope of noncontact ultrasound imaging. The marriage of Airtech 4000 ultrasonic imagers and Techno-Isel gantries lets users generate ultrasound-image scans without having the probe touch the sample. The gantry accurately moves
  • 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
  • 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
  • Smart interface will advance high-temperature measurements
    The final approved specification for Transducer Electronic Data Sheets, TEDS, is expected to emerge later this year. An example of TEDS-enabled thermocouples is the Watlow Infosense line. Storing sensorspecific linearity and compensation data in an internal EEPROM is said to improve accuracy
  • Dynamic sensing with LVDTs
    and displacement of a shaker head in a vibration tester. The core movement accurately represents mechanical displacement, with typical linearity of 0.025% of full range. A linear-variable-differential transformer, or LVDT, is basically a transducer that converts mechanical motion into an electrical

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