0-20mA/4-20mA/0-10V/0-30V可调电流信
PT100/4-20MA/0..
12V/150V/250V/..
4-20mA信号采集模块/P..
200mV~10V/0-24..
0-20mA/4-20mA/..
RS-485/232,数据采..