A.≤460 B.≤6 C.≤200
A.0~20mA B.4~20mA C.0~10mA D.1~5V
A.1標(biāo)準(zhǔn)大氣壓,0℃ B.1標(biāo)準(zhǔn)大氣壓,15℃ C.1標(biāo)準(zhǔn)大氣壓,20℃