| Serial No. | Options Name | Functional 
                        Description | Remark | 
                    
                      | 1 | B Coil | Direct measurement on sample magnetic 
                        induction density, winding unnecessary | Customized, adaptable to the measurement 
                        of general permanent-magnet material | 
                    
                      | 2 | J Coil | Direct measurement on sample magnetical 
                        polarization, winding unnecessary | Customized, adaptable to the measurement 
                        of all permanent-magnet materials | 
                    
                      | 3 | Common Head | Work with electromagnet to generate 
                        uniform magnetic field | DCT130 standard configuration, other 
                        models optional | 
                    
                      | 4 | Horn Head | Generate larger uniform magnetic 
field | All models of electromagnet 
                    optional | 
                    
                      | 5 | Shrinkage Head | Applies to improve maximal magnetic 
                        field of electromagnet | DCT130 optional, other models with 
                        standard configuration | 
                    
                      | 6 | Iron Cobalt Head | Can improve maximal magnetic field for 
                        about 0.3T | Only DCT200 and DCT250 optional | 
                    
                      | 7 | Heat Head | Applies to measure high temperature 
                        property of permanent-magnet material | All models of electromagnet 
                    optional | 
                    
                      | 8 | TCS-200 Temperature 
                        Controller | Applies to control temperature of heat 
                        head, control range: 50 ~ 250°C | Optional, can match with various heat 
                        heads | 
                    
                      | 9 | Tile Jig | Applies to measure magnetic shoe | Optional parts, customize according to 
                        magnetic shoe size, to match electromagnet with 
                        corresponding size |