profile測(cè)試線焊按原理-文庫(kù)吧資料
2025-02-19 17:59本頁(yè)面
【正文】 erature profiles are taken by measuring systems which run through the reflow oven. Temperature sensors are located on different positions on the PCB, and the temperatures during the run are stored in the internal memory. After passing the oven the system is connected to a PC, the data is then transfered and displayed on the screen. Temperature Sensors Most of the measuring systems on the market are working with thermocouples. The thermocouple type is very often K which stands for NiCr Ni and is indicated by the green isolation material of the wire and the yellow connector. For quick and accurate temperature response, the thermocouple should be less in
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