Measuring probes NB10 for hydrostatic measurement of fluid fill-levels. Some examples of typical applications are water or fluid fill-level measurements in wells, drill holes, wastewater systems and containers. This measuring probe is designed around a highly sensitive pressure sensor with a silicon membrane-measuring element. A DMS resistance bridge is attached to the rear of this membrane using a thin-film method. The well probe is equipped with an indirect hydraulic pres-sure sensor in order to guarantee the system-inherent dead space latitude. The pressure sensor is isolated by an elastic membrane from the medium to be measured. The volume between the membrane and the pressure sensor is filled com-pletely with a transfer fluid. When pressure is ap-plied this silicon membrane deforms in the elastic region, altering the resistance of the resistance bridge in a response linear to the measuring pres-sure. These changes in resistance are converted by electronics built into the device into standardized electrical signals.
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