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  • Sample System Design and Diaphragm Pumps
    Sample system design can take many forms, influenced by factors including cost, size, maintenance, source conditions, and analyzer requirements – to mention a few. The following discussion takes into account the operating characteristics of a diaphragm pump, and choices that will improve system
  • Ammonia Pressure Measurement using Thermal Flash Protection (.pdf)
    or below. This accelerated change, along with the type of sensor diaphragm material affects the pressure transducer performance and ultimately the control system. Other Pressure Sensing Technologies: O-ring sealed pressure sensors cannot withstand rapid thermal changes and over time the internal
  • A Novel Ultra-miniature catheter tip pressure sensor fabricated using silicon and glass thinning techniques
    silicon diaphragm and senses pressure using a 1/2 bridge. piezoresistive network. Glass is processed to provide depressions above the sensing area as well as above the connection area of the device. A full-thickness silicon wafer is processed using standard micromachining techniques. V-Groove notches
  • MICRO: Product News
    , thicknesses on top of complicated patterns, and dense structures without the need for pattern recognition or vision. Pneumatically operated Teflon diaphragm valves with spigot connectors are used for processing deionized water and corrosive chemicals in high-purity systems. Series BSD valves have no metals or
  • MICRO:Product Technology News (Jan '99)
    The adjustable fluid flow control and end-of-cycle snuffback features of the Model 725DA-SS valve eliminate drips in spin coating applications. A stainless-steel fluid chamber, an inert polymer diaphragm, and sealing head isolate the actuator from wetted components to ensure trouble-free cycles
  • Medical Device Link .
    . A capacitive pressure sensor consists of a silicon diaphragm as a movable electrode and a second underlying fixed electrode. The pressure to be measured is applied across the diaphragm, bending it towards the fixed electrode. The reduction in the distance between the two electrodes results in an increased
  • Medical Device Link .
    the location of thin channel leaks. It features retrievable validation data and a graphic display. 143 California St., Newton, MA 02458. Featuring an oil-free diaphragm and molecular drag pump, a portable helium leak detector works in cleanrooms, pharmaceutical manufacturing facilities, and other
  • Flowmeters Benefit From Silicon Advances
    GSI series diaphragm valves feature Kwik-Clamp and TS series sanitary clamp and tube butt weld end connections. Series includes sterile access valves, close-coupled branch valves, tee-pattern valves, and point-of-use valves that feature a compact, patented design that eliminates deadleg areas

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