|  |  | 
        
          |  |  | 
        
          | 3 | 
            
              | Approximately |  
              | The measurement is approximately equal to that specified. |  | 
        
          | 4 | 
            
              | Equal to |  
              | The measurement is equal to that specified. |  | 
        
          | 5 | 
            
              | Greater than or equal to |  
              | The measurement is greater than or equal to that specified. |  | 
        
          | 6 | 
            
              | Greater than |  
              | The measurement is greater than that specified. |  | 
        
          | 7 | 
            
              | Less than |  
              | The measurement is less than that specified. |  | 
        
          | 8 | 
            
              | Less than or equal to |  
              | The measurement is less than or equal to that specified. |  | 
        
          | 12 | 
            
              | True value |  
              | The measurement reported is a true value. |  |