using the central control system plc, intelligent temperature controller and pressure gauge to replace the three pen recorder to realize the closed loop circulation and record of outer temperature.
采用中央控制plc、智能温控器及压力仪表等替代原进口三针记录仪,实现外温的闭环控制和记录;
the stress distribution curve can be obtained directly by a pen recorder with a given scaling.
被测玻璃应力的分布曲线可以直接用记录仪记录。
this paper describes the design of linear autocompensation mechanism of pen recorder and the error analysis of three main design parameters with computer aid.