专利号:ZL200920282819.6专利权人:上海梅山钢铁股份有限公司发明(设计)人:吉明鹏刘海平季益龙林红杨正波沈立春本实用新型涉及一种现场多点测量信号处理装置,属于监控装置技术领域。该装置包括多个相同且彼此并联的检测回路,检测回路含有变送器、电位器、NPN三极管、继电器和电源,变送器输入端通过继电器常闭触点连接现场测量元件, The utility model relates to an on-site multi-point measurement signal processing device, belonging to the technical field of monitoring device . The device includes a plurality of identical and parallel detection loops, the detection loop includes a transmitter, a potentiometer, an NPN transistor, a relay and a power supply, the transmitter input is connected to the field measurement element through the normally closed contact of the relay,