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  • Engine Oil Viscometer Based on Oil Pressure Sensor (.pdf)
    A methodology for measuring oil viscosity in an internal combustion engine has been developed that is based on measured values of oil pressure and oil temperature at a relatively low engine speed near idle. Engine oil pressure results from the resistance of the oil to flow under the pumping action
  • Oil Fill Offset
    An oil-filled sensor has the advantage of being non-toxic and therefore compliant for many food, medical or other critical applications. A disadvantage of an oil-filled system is that the organic oil fill can degrade over time at high temperatures. Over a period of months and continuously operating
  • Ammonia Pressure Measurement using Thermal Flash Protection (.pdf)
    O-ring will fail. Fluid filled sensors suffer from freezing effects. This causes a rupture of the thin diaphragm membrane, which is welded in place to hold in the silicone oil-fill. Thin film sensors [based on 15-5 and 17-4PH stainless steels] that have their diaphragm welded to a pressure port
  • Technical Definitions of Terminology
    A pressure transducer or pressure sensor that has an internal reference chamber sealed at or close to 0 psia (full vacuum) and normally provides increasing output voltage for increases in pressure. The reduction of response at the resonant frequency through the use of a damping media such as oil
  • Well Remote Monitoring System (.pdf)
    . The maintenance staff rushes to the field in the shortest time to solve the problem. After employing GPRS drilling data submit system, through the sensor fixed on the rack, managerial staff can learn about the pressure, voltage, steam temperature of each well, guaranteeing the safety operation of oil wells.
  • Sensors eye Fluids And Lubricants
    analog and two digital sensors. Hydac's Aqua Sensor 8000 is intended for installation in return lines where free water is a concern, such as on the wet-end of paper-machine lubricating systems in paper mills or on Morgoil systems in steel plants. There has arguably never been more pressure on OEMs

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