液体传感器测量煤油的液位需要什么型号?原理是什么
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您好
有多种选择:
1.电容式液位传感器芯片如 FDC1004
当液体的液位变化时,传感器电极与液体之间的电容发生变化,传感器根据液体的介电常数变化计算液位高度。
TIDA-00317 reference design | TI.com
2.超声波液位传感器芯片如 TDC1000
传感器发射超声波信号,遇到液面后反射回传感器。通过计算信号的往返时间,可以推算出液位的高度。