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  • Switch Tips: Ultrasonic level switches
    Ultrasonic switches transmit a signal in the range of a few megahertz to a receiver across a gap. The signal attenuates severely when passing through air, but the presence of liquid greatly enhances transmission. Thus signal strength of the ultrasonic burst serves as the sensing mechanism. Upon
  • SLT32 Ultrasonic Level Monitor for Water Bottling Plant Level Control
    Culligan Water installs Greyline SLT32 Level Monitors to control tank levels in their bottling plant in Calgary, Alberta. With non-contacting ultrasonic sensors the SLT32's control fill and discharge valves in five tanks containing spring water, reverse osmosis water and distilled water.
  • Prosonic Ultrasonic Level Measurement of Ground Meat
  • Ultrasonic Level Control: Water in Sump of Cooling Tower
  • Ultrasonic sensors
    Ultrasonic sensors can measure distance without contact. Typical ultrasonic sensors emit highfrequency sound waves that are reflected by the target. A target in the path of the sound wave reflects the sound back to the sensor where it is detected, triggering the sensor output. Special programmable
  • Ultrasonic Sensor Applications
    The key to ultrasonic liquid detection is to keep the beam perpendicular to the liquid level and away from structures like tank walls, internal ladders, and impellers.
  • Application of Ultrasonic Cleaning
    Many articles exist describing "how ultrasonic cleaning works". The goal of this article is to help develop an understanding of the various components that ensure good ultrasonic cleaning. First, establish a cleaning need, along with a determination as to how to measure the level of cleanliness
  • Sensor Sense: Ultrasonic Double-Sheet Detectors
    the sound levels at the receiver to trigger one of three output signals for no sheet, individual sheet, and double sheet. The emitter uses a piezoceramic element that generates an ultrasonic beam at 400 kHz. The decoupling layer that isolates the element from the sensor housing is an epoxy-resin

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