Sensor for measuring salt content on surface of solid
A solid surface, sensor technology, applied in the direction of material impedance, etc., can solve the problems of high economic cost, high requirements for professional equipment and operators, and achieve the effect of realizing salt content and direct detection.
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[0018] As an embodiment of the present invention, the conductivity cell 3 includes wires and electrodes for measuring conductivity, the water-absorbing test paper 1 covers the electrodes of the conductivity cell, and the electrodes are connected to external conductivity measuring devices through wires. Each electrode can be connected to a gold finger of the external conductivity measuring device through a wire, and electrical connections between wires, electrodes, and gold fingers that do not have a connection relationship should be avoided to cause a short circuit. If the substrate of the conductivity cell 3 is made of flexible material and becomes a flexible circuit board (FPC), the sensor of the present invention can be used to measure the salt content on a curved surface. Preferably, the substrate of the conductivity cell 3 can be made of a double-sided flexible copper clad laminate.
[0019] As a preferred embodiment of the present invention, such as figure 1 and figur...
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