How to distinguish the burn-in and burn-in of the device caused by the misoperation of the customer when using the digital clamp meter?
1) In the instrument category, there will be customers who do not operate properly, resulting in the burning of the watch that cannot be repaired; how to judge the burning of the watch: the user can open the back cover first, and check if there is a black next to a device on the motherboard, it is the burning of the watch; the chip is burned out The user cannot judge by himself, and can only be determined by sending it back to the supplier for inspection.
2) If there is a quality problem in the product itself; how to judge the quality problem: If the user buys this product, if there is a long beep or lack of strokes after the battery is turned on, it can be judged as a quality problem first; if the battery is turned on, there is a long beep. If it is still a long beep, it is a quality problem, and you can send it back to the supplier for return or exchange; if it is determined that the quality of the product itself is a problem, you must ensure that the appearance of the product is clean and has not been used. Only goods can be returned or exchanged; in the end, the inspection and judgment of the supplier's receipt of the goods shall prevail.
