This article introduces that the principles and methods of automatic measurement and control for single user IC card heat meter.
介绍了单用户IC卡热量表实现热量自动计量和控制的原理和方法。
Main equipment: pre-heater, evaporator, condenser, sugar meter, vacuum system, temperature control, liquid level control, valve fittings, automatic electrical control system;
主要设备：预热器、蒸发器、冷凝器、糖度仪、真空系统、温度控制、液位控制、阀门管件、自动电气控制系统；
The paper introduces the level instruments and describes the realization of the level automatic control by means of ultrasonic level meter and level regulator in sludge treatment engineering.
介绍了液位检测仪表，并阐述在污泥处理站中采用超声波液位计和液位调节器实现液位自动控制的方法。
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