Electric plastic potentiometer sensor mounting

　　1, the sensor mounting convex positioning, with screws, nuts or pressure plate fixed on the metal plate. When installing the sensor, it is strictly forbidden to process the shaft and shell by turning, drilling, etc., to avoid the shaft or shell being subjected to external impact and pressure, and the axial and radial of the shaft are not allowed to be subjected to impact and pressure (static pressure should be less than 300N). Do not loosen the screws on the sensor and rotate the retaining ring.

　　2, the sensor shaft and other parts of the connection should pay attention to the axis line to keep in the line (including the working state), such as the axis line deviation, it is recommended to use the universal joint or bellows and other adapters, so as to avoid the sensor shaft bending deformation, damage to other devices precision conductive plastic potentiometer, method, thus affecting the use of.

　　3. Water droplets, vapors, solvents and corrosive gases should be prevented from invading the sensor, and metal chips or other powders should be prevented from entering the sensor.

　　4. The external wiring of the sensor should be welded at the waist slot of the leading end, and try not to weld at the top of the leading end. Welding should use no more than 45W electric ferrochrome, welding time should be less than 5 seconds. The wire should not be pulled when welding and not cooled thoroughly, so as not to pull the brush wire or the entire precision conductive plastic potentiometer, the method of leading end is pulled out, or even fall off. When welding, use as little flux and welding oil as possible, and the time should be short to avoid flux vapor entering the sensor through the outlet end, resulting in vapor deposition on the surface of the resistance element after cooling, causing the equivalent noise resistance to change, or even open the circuit.

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