1·RS-232 interface lets you connect to a PC for datalogging and remote control.
RS-232接口可以与电脑连接， 以实施数据资料记录和远程控制。
2·This paper introduces the structure and principle of WJQ-3 datalogging as well as its application.
本文重点阐述了WJ Q - 3温度记录器的结构与工作原理及应用。