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  • How to select an Actuator (part. 2): Pneumatic Actuator
    , positioners, speed controls, transducers and other control accessories are necessary to properly communicate with the system and to characterize the performance of the automated valve to meet the process/flow control requirements.
  • Understanding Current Sinking, Current Sourcing, and Ground Loops
    You've just purchased some current to pneumatic transducers and are ready to try them. Each transducer has been carefully installed according to the manufacturer's recommendations and wired to its own 4-20 mA analog output. All of the transducers are being powered by a common 24 VDC power supply
  • Capacity & Consumption
    When it comes to selecting an electronic to pneumatic (E/P) transducer, the type of input and the pressure range of the output are the most common selection criteria considered. There are a couple of other specifications that are worth reviewing to select the best transducer for the job
  • Introduction to the Two-Wire Transmitter and the 4-20mA Current Loop
    zero" and an alarm condition. Some installations still use pneumatic control today. Modern I/P converters (current-to-pressure transducers) are available to convert the 4-20mA control loops to common pneumatic ranges, such as 3-15psi, 1-18psi, 3-27psi, and 6-30psi.
  • Introduction to Load Cells
    Load Cell: A load cell is a transducer that converts a load acting on it into an analog electrical signal. This conversion is achieved by the physical deformation of strain gages which are bonded into the load cell beam and wired into a wheatstone bridge configuration. A load cell is a transducer

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