Failure Analysis of Metal Detector Without Sensitivity
Customers all hope that the metal detector has high sensitivity and can detect metal foreign objects quickly and effectively. However, in the actual use process, there will be a problem that the metal detector has no sensitivity. Below, Kenwei Technology will take you to analyze the cause of the failure and the solution. 1. Check whether there are large metal foreign objects in the probe hole, such as coins, keys, screws, etc., and remove metal impurities. 2. Is the product selection correct? 3. Is the detection sensitivity adjusted to a very small value or whether the collected data is too high. If the dynamic collected data is too high, the reference voltage is high and the relative sensitivity will be reduced. Re-no-load dynamic collection. If the data is also high, change to static collection. If the static collection is within the normal range, it means that there is a metal foreign body on the conveyor belt or the bolt of the frame is loose. It can be solved by removing the foreign body and tightening the bolts. If the voltage of static collected data is also high, it may be caused by high-power interference sources around the detector, such as vibration, or unstable power supply. At this time, a regulated power supply can be installed to solve the problem. If it is still not resolved, please call our maintenance service department. 4. Whether the machine is selected to be in the infrared open state when the infrared detection is not installed. Turn off infrared to exclude. 5. If all the above situations are ruled out and the deceleration detector still has no detection sensitivity, please call our technical after-sales department.
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