XBX-6021,XBX-6021AA,XBX-6021BB,XBX-6021CC频率信号输入隔离变送器(一入一出、一入二出、二入二出)
XBX-6021,XBX-6021AA,XBX-6021BB,XBX-6021CC,
XBX-6022,XBX-6022AA,XBX-6022BB,XBX-6022CC,
XBX-6023,XBX-6023AA,XBX-6023BB,XBX-6023CC,
XBX-6021,XBX-6021AA,XBX-6021BB,XBX-6021CC频率信号输入隔离变送器(一入一出、一入二出、二入二出)