Advantages and disadvantages of needle detectors
Advantages: The needle detector is relatively cheap, suitable for most sewing products that only need to detect broken needles (such as: copper or non-ferrous alloy buttons, zippers, bead chains, clothing, toys, handbags, etc. Taste). Has been accepted by the majority of users. As long as the needle detectors produced by regular manufacturers in China have basically the same performance as imported needle detectors. Disadvantages: A. Although the needle detector technology has been improved, but because the principle of the needle detector is the principle of magnetic induction, it can only detect ferromagnetic metals (iron, cobalt, nickel and alloys containing these metal impurities), and cannot detect other High-purity fine metal. That is to say, if the product contains a small amount of high-purity non-ferromagnetic metal impurities other than ferromagnetic metals, the needle detector cannot detect it. B. There is a permanent magnet in the probe head of the needle detector, but after years of use, the magnetic force will gradually decrease, and the sensitivity may decrease. This also brings security risks to industrial testing. Therefore, the needle detector must be periodically tested and calibrated by the nine-point test method of the needle detector to ensure the benefits. For products that need to detect all metal foreign objects (clothing, handbags, etc. without metal accessories), all metal detectors can be selected according to actual needs! B. There is a permanent magnet in the probe head of the needle detector, but after years of use, the magnetic force will gradually decrease, and the sensitivity may decrease. This also brings security risks to industrial testing. Therefore, the needle detector must be periodically tested and calibrated by the nine-point test method of the needle detector to ensure the benefits. For products that need to detect all metal foreign objects (clothing, handbags, etc. without metal accessories), all metal detectors can be selected according to actual needs! Guangdong Kenwei Intellectualized Machinery Co.,LTD.https://www.kenweigh.com/ is the leading brand and main manufacturer of automatic weighing and testing equipment in China: the main products are automatic checkweighers, weight classifiers, automatic weighing machines, weight Testing machine, packaging machine, multi-head scale, linear scale, etc., leading domestic technology, sales hotline +86-0760-22629231
Guangdong Kenwei Intellectualized Machinery Co.,LTD. is trying to institute social good changes this relationship because it averts a firm's resources from its core task of increasing profits.
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