Introduction Ultrasonic liquid level meters operate based on the propagation characteristics of ultrasonic waves in a given medium. These devices determine the distance between the sensor and the liquid surface by measuring the time difference between the emission and reception of an ultrasonic pulse. This time delay is then used to calculate the liquid level […]
In theory, if a control scheme is fixed and its parameters do not require optimization, the original design provided by the process package can be used. During the commissioning phase, it is typically sufficient to perform parameter optimization. However, in practice, the reality is quite different. It is common to encounter poorly designed or inadequate
Control Scheme Design for Distillation Columns: Challenges and Best Practices Read More »
When designing and installing electrical systems, it is essential to ensure that the grounding system is safe, efficient, and complies with the standards. This includes selecting the correct color and wire gauge for grounding wires. Proper grounding protects both equipment and individuals from electrical faults and hazards, so it’s critical to understand the rules and
How to Choose the Color and Wire Gauge for Grounding Wires Read More »
Automation enhancement is a multifaceted endeavor that extends beyond closed-loop control systems. While closed-loop control forms the core, numerous opportunities exist for on-site improvements. Our team has been utilizing frequency adjustment programs to minimize manual intervention by operators in adjusting variable frequency drives (VFDs). However, recent input from on-site engineers revealed that configuring ramp-up logic
Comprehensive Insights into Automation Enhancement Read More »
Introduction Flanges are crucial components in piping systems, providing secure connections between pipes, valves, pumps, and other equipment. To ensure proper identification and compliance with industry standards, manufacturers mark flanges with specific details. These markings provide critical information about the flange’s specifications, including material, pressure rating, dimensions, and manufacturing details. This guide will explore the
Flange Markings and Their Meanings: A Detailed Guide Read More »
Introduction O-rings, circular cross-section elastic sealing elements, are widely used in both static and dynamic sealing applications due to their simple structure, excellent sealing performance, and cost-effectiveness. In chemical instrumentation, O-rings must endure extreme working conditions, including high temperatures, high pressures, and corrosive media. Therefore, their material selection, design, and installation require a high level
Introduction When selecting cables for liquid level sensors, several common questions arise: When does a liquid level sensor require a vented cable? Does using a vented or non-vented cable affect measurement accuracy? The choice of cable is crucial because the sensor must compensate for atmospheric pressure fluctuations to ensure accurate measurements. This article provides a
How to Choose the Right Cable for a Liquid Level Sensor Read More »
Level measurement plays a crucial role in various industries, including oil and gas, chemical processing, and water treatment. Accurate monitoring of liquid levels is essential for ensuring the safe and efficient operation of industrial processes. Among the many types of level indicators available, magnetic float level indicators and float level indicators stand out as reliable
Do not use voltage higher than 36V on the transmitter, as it may cause damage. Avoid touching the transmitter’s diaphragm with hard objects, as this could damage the isolation diaphragm. The measured medium should not freeze, as the freezing may damage the isolation diaphragm of the sensor, leading to transmitter failure. When measuring steam
14 Key Points for Daily Maintenance of Pressure Transmitters Read More »
Introduction A potentiometer is an adjustable resistor component widely used in electronic circuits to regulate current, voltage, and signal distribution. Due to its ability to finely tune circuit parameters, potentiometers are crucial in audio equipment, household appliances, industrial control systems, and precision instruments. This article provides an in-depth exploration of the working principles, classifications, applications,
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