The operational principle and features of DS1620 temperature transducer are introduced.The method of digital temperature compensation of Thermocouple reference junction is stated.The method is used in design of intelligent temperature transmitter.It overcomes the demerit of compensation bridge which cannot make complete compensation,Thus the measuring accuracy is enhanced and the cost of transmitter is decreased.%介绍了DA1620温度传感器的工作原理及特点,提出了数字式热电偶参比端温度补偿的方法并将其用于智能温度变送器的设计中,克服了补偿电桥不能完全补偿的缺陷,提高了测量精度,降低了变送器的成本.
展开▼
