Differential pressure remote water gauge should have pressure supplement function to ensure an actual indication of water line in the bubbles under all kinds of working circumstances. 差压式远传水位表应具有压力补偿功能,以保证各种工况下都能显示汽包中真实水位的变化。
The Troubleshooting for Differential Teletransmission Pressure Gauge 差动远传压力表的故障检查
The presentation of usage of liquid column manometer. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed. 主要介绍了液柱压力计的正确使用方法和误差分析。给出了U型管压力计和双管差压计的测量精度。
When a differential pressure water-level gauge is used to measure the water-level in the vessel, large uncertainty can be induced because of the change of media density in the vessel. 在高温高压容器中采用差压式水位计测量水位的方法,通常由于容器中介质密度的变化给测量带来很大误差。
Considering the spatial geometric significance of two-phase flow patterns and using the differential pressure gauge as a sensor, the Strouhal number Sr is taken as the basis for distinguishing flow patterns. Using Strouhal number Sr to identify flow pattern has clear physical meaning. 从两相流流型的空间几何意义出发,利用差压计作传感器,提出用标准空间特征频率斯特罗哈尔数Sr作流型识别的定量依据,斯特罗哈尔数Sr识别流型具有明确的物理意义。
The correction difficulty of environmental temperature, uncertainty and randomness of additional differential pressure of measurement, unstability of actual measurement, easy to drift by big margin and frequent check of zero position etc. problems of differential pressure water level gauge were analyzed. 分析差压水位计环境温度修正难点、测量附加差压的不确定性和随机性、实测不稳定、易大幅度漂移、0位必须频繁核对等问题。
Design of differential pressure gauge with optical fiber 光纤差压压力计设计
The unstability of differential pressure water level gauge affects the full-process commissioning of protection with more problems in actual drive check of protection. 差压水位计的测量不稳定性影响保护全过程投入,保护实际传动校验问题多。
The measure error of drum differential pressure water level gauge is reduced now. 减小了汽包差压水位计测量误差。
Treatment Method and Analyzing of Measure Tolerance about Drum Differential Pressure Water Level Gauge of Boiler 锅炉汽包差压水位计测量误差分析及处理
Three critical techniques: differential pressure sensing, sensor array and cold cathode trigger gauge are discussed in-depth. 着重对该系统中的3项关键技术:差压式传感技术、传感器阵列技术和冷阴极触发规技术进行了深入的讨论。