Metal detector series adopts most advanced microcomputer to perform totally digital processing of the detection signal, has memory function which can memorize the detection parameters of more than 20 types of products. It has humanized man-machine dialogue interface with convenient and intuitive setting and has better suppression effect on effect signal of the product. It is applicable to detection of foreign metal objects in such sectors as of textile, toys, food (food additives, condiments), medicine, health products, cosmetics etc., for example, metallic particles as of iron, stainless steel etc. It can detect all kinds of packaging mode such as bulk package, bagged package, bottled package, box package etc. technical parameter: jst standard model jst channel size mm detecting accuracy jst-zy6040 w600 h400 ss3042.5 fe2.0 jst-smd4020 w400 h200 ss3042.5 fe1.2 jst-smd5010 w500 h100 ss3041.5 fe0.8 jst-smd5030 w500 h300 ss3043.5 fe2.0