在线电导率仪校准装置的设计

Design of Calibration System for on-Line Electrolytic Conductivity Meters

采用高频数字电位器研制了适用于在线电导率仪的校准装置。在设计范围内,实现了电导率值任意整数的输入输出及温度补偿电阻值的连续可调,可方便、准确的对在线电导率仪电子单元进行校准验证。实验结果表明,该装置可以作为校准在线电导率仪电子单元的标准器使用。

It was designed calibration system for on-line electrolytic conductivity meters using high-frequency digital potentiometer. It can any integer value input and output in the range of design. To realize the temperature compensation resistance value continuously adjustable. It can be convenient,accurate calibration of on-line conductivity meters electronic unit. Testing result shows that the device can be used a standard instrument,which met electronic unit of calibration for on-line electrolytic conductivity meters.