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Kenwei is a global professional manufacturer which specialized in weigher packing machines and multi-head weigher machines.

What role can a food metal detector play?

by:Kenwei      2022-06-26
The main function of the food metal detector is to detect whether the food contains metal impurities. When the food passes through the metal detector, if it contains metal impurities, the metal detector will send an alarm, so that the food containing impurities can be removed and food safety can be guaranteed. The detection principle and installation procedure of the food metal detector: The metal detector consists of two parts, namely the detection coil and the automatic rejection device, of which the detection coil is the core part. After the coil is energized, a magnetic field will be generated, and if metal enters the magnetic field, it will cause the magnetic field to change, thus judging that there are metal impurities. After the metal is detected, the sensor activates the signal to drive the automatic rejection device, such as flaps, push rods, etc., to remove impurities. It should be noted that sometimes the food metal detector will issue a false alarm. At this time, it is necessary to check whether there is any trouble in the power line. If there is, please use a power isolation transformer to supply power to the food metal detector. Then check whether the flexibility and phase can be in the initial position, the flexibility to cross the high or the phase change will cause the product effect to increase, and then a false alarm will occur. Check whether there is any frequency conversion equipment in operation near the metal detector. The frequency conversion equipment has great interference with the food metal detector and will also falsely alarm. In addition, the detected non-metallic materials generally have a certain product effect, and the size of the product effect will directly affect the detection results of the metal detector.
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