0-5V转0-20MA 0-5V转4-20MA 信号换IC
4-20mA转4-20mA调..
4-20mA转0-10V调理..
0-1V转0-10V 0-5..
0-1V转4-20mA 4-..
0-10V转0-10V隔离变..
4-20mA转1-5V 0-..