Description Hand Clothing Needle Detector JZQ TY-20MJ JSD TY-20MJ handheld portable needle detector has high sensitivity, the switch function sound to alarm, used to detect the broken needle/razor blade, and metal fragment. Ferromagnetic metal, such metal impurities in small thin clothing / plush toys / ties / towels / scarves / socks / zips / medicine / foods and so on. After detection by the big standing needle detector, use this portable one to find the exact location of the broken needle or Fe to avoid damage to the customers, and improve the quality of the products.
