... and mechanism design of the series of EJH auto conveying metal detector's adopted advanced technique in the world Scope of application ... : EJH-14 is mainly used for detecting the metal chips inside the seafood,fishery,noodle,frozen food,sugar ,tea ... of 1.2-1.5g lead ,copper and other globular metal parts3,electical source:220V 50Hz4,power consumption:120W5,alarm:audible ...