用电动差压变送器测量0-0.01MPa的差压信号时,输入输出信号的对应关系是。

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用电动差压变送器测量0-0.01MPa的差压信号时,输入输出信号的对应关系是。

A.0Mpa对应0mA,0.01MPa对应20mA

B.0Mpa对应4mA,0.01MPa对应20mA

C.0Mpa对应0V,0.01MPa对应20V

D.0Mpa对应1V,0.01MPa对应5V

参考答案:

答案:0Mpa对应4mA,0.01MPa对应20mA