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The SK-8Y2X series alloy film sensor consists of an ion-beam sputtering alloy film sensor and a signal modulation circuit and is applicable to detection of fluid pressure, differential pressure or liquid level. The Sensor is made using the modern film equipment and etching technique. The sensor has unique technique and excellent performance and can stably run in severe environment. The liquid medium pressure/differential pressure acts on the corrosion resistant stainless steel elastic film to deform the film, as shown in the strain schematic diagram. An alloy film strain resistance comprising Wheatstone bridge has been made on the film. Film deformation changes the geometry and value of the resistance, and the bridge outputs corresponding electrical signals. The electronic circuit amplifies the bridge output signals and converts them into standard 4~20mA current signals for output. |
