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  • Controlling Sound Level- Mechanical Method
    There are two ways to control sound level in an electronic audible alarm. One is mechanical. and the other is electrical. The mechanical method involves changing the size of the front hole. opening of the audible alarm. The open area in the front of the audible alarm including the front. hole
  • Switch Tips: Electro-Optic Level Switches
    Electro-optic level switches are used to signal the presence or absence of a liquid. They contain an infrared light-emitting diode (LED) and a light receiver. Light from the LED reflects from a prism forming the tip of the device back into the light detector. With no liquid present, most LED light
  • Laying the Groundwork for Better Control
    with the "tried and true. " At the same time, though, more pharmaceutical manufacturing operations appear to be developing the building blocks they will need for improved control: integrating incompatible databases, connecting field-level data to the plant floor, improving data quality to allow for process
  • Don t Drift out of Control
    By Dan Collins, Manager of DCS Solution Partner Program, Siemens Energy & Automation The proof of concept is a series of alpha level tests. A 1,000-sample test data using random numbers to simulate sensor noise and biasing the noise to simulate drift was created using Microsoft Excel. The data
  • Biopharmaceutical Process Control: Part Two: Process Modeling
    By Michael Boudreau and Gregory McMillan, Emerson Process Management These blocks in turn contain at the lowest level composite blocks representing Michaels Mention saturation kinetics combined with inhibition. This block architecture allows for the creation of a library and the flexibility
  • Load Cell Application - Tank Dispensing
    In this application FUTEK load cells are used to control material distribution while monitoring the tank level. The load cell with in-line amplifier can be directly connected to a plc or computer for feedback control or one of the FUTEK instruments with set point alarm or analog output option
  • Low Levels of Organics in Water: Saccharin
    range and below. Another application is the measurement of total organics in wastewater streams. NIR can be used as a high level alarm to detect breakthrough in wastewater treatment plants.
  • The Remote Monitoring System of Auto Bank (.pdf)
    remote real-time monitoring and remote control camera function. Banks can make use of its current network environment and technology, to establish high efficient and reliable remote digital control and networked alarm system. The up-to-date technology efficiently safeguards banks and improves management.
  • What to Expect at Interphex 2007
    . This controller offers simplified programming via a Menu key that enables the user to select: security level; set point or set point and alarm operation; auto or manual alarm reset; English or Metric engineering units; pressure, velocity or flow operation; K-factor for use with various Pitot tubes and flow

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