Portable Type Needle Detector has small detecting scope for finding the broken needle accurately and two-grade regulating sensitivity for different kinds of clothing. The Detector has humming and lighting alarm annunciator and has supersensitive and long-life magnetic transducer. The Detector can be used to check up clothing, silk stockings, glove, leather, slide fastener and other relative articles and assist transporting belt to find broken needles, elative articles. The Detector has magnetic induction detection method and is offered in size of 0.75 X 30 mm. The Detector has power source of 9v, dimension of 55 x 160 x 45 mm and has weight of 200 g. The Portable Type Needle Detector has low level from 20 to 30 mm, high level from 30 to 40 mm, detection area of 25 x 50 mm and has buzzer with light.
