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        MB-7684 cold proof test machine
        
                    
        
                        
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        Applicable scope
        
                            
        Test principles and standards
        
                            
        Instrument characteristics
        
                            
        Configuration list
        
                
        
                
        
                    
        
                        
        
	This machine is used to test the cold proof situation of footwear.

        
                    
        
                    
        
                        
        
	Fix the thermocouple in the center of the insole and the shoes are filled with steel beads. Refrigerator cooling to 20 DEG C, into the shoes, let the shoes on the edge of the adjusting bracket and the insulation box opening, and then to open the freezer insulation board will seal. Finally, record the change of the insole temperature in 30 minutes with time.