| ¡¤Output stage circuit diagrams  | 
        
        
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          ¡¡¡¡The dashed line express transistor  | 
        
        
          | ¡¤The general characteristics of proximity switch  | 
        
        
          |  ¡¡.correction coefficient | 
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          |  ¡¡The correction chart of pick-up distance for non-iron metal, (But the correction factor has no an absolute value.) | 
          The effect of the electric plating (reference data). The percentage of sensing ¡¡distance of plating and unplating sensing objects. | 
        
        
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              Basic material   | 
              Iron  | 
              Bronze  | 
             
            
              The type of plating  
                  | 
             
            
              Unplating  | 
              100  | 
              100  | 
             
            
               Zn from 5 to 15¦Ì   | 
              From 90 to 120   | 
              From 95 to 105 From 95 to 105 From 95 to 105 From 95 to 105   | 
             
            
              Cd from 5 to 15¦Ì   | 
              From 100 to 110   | 
              From 95 to 105   | 
             
            
              Ag from 5 to 15¦Ì   | 
              From 60 to 90   | 
              From 95 to 105   | 
             
            
              Cu from 10 to 15¦Ì   | 
              From 70 to 95   | 
              From 95 to 105   | 
             
            
              Cu from 5 to 15¦Ì   | 
              -----  | 
              From 95 to 105   | 
             
            
              | ¡¡
                 Cu (from 5 ¡¡to 10¦Ì)+Ni ¡¡(10 To ¡¡20¦Ì)   | 
              From 75 to 95   | 
              ------  | 
             
            
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                 Cu (from 5 ¡¡to 10¦Ì)+Ni ¡¡(10¦Ì) ¡¡+Cr(0.3¦Ì)   | 
              From 75 to 95   | 
              ------  | 
             
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