Flow Control Valve Skid Equipped with Rosemount 8800 Multivariable Flowmeter and 5408 Non-Contacting Radar/Level Transmitter

The Emerson Rosemount 5408 is a compact, high-performance, non-contacting radar level transmitter designed specifically for reliable and accurate level measurement in small tanks and a diverse range of process applications. Engineered with the core technology of the renowned Rosemount 5400 Series, it brings exceptional measurement integrity to spaces where a smaller form factor is essential, without compromising on the advanced features expected from a market leader. Its two-wire, loop-powered design simplifies installation and makes it an ideal, cost-effective solution for chemical processing, water and wastewater, food and beverage, and pharmaceutical industries.

Utilizing Frequency Modulated Continuous Wave (FMCW) radar technology, the Rosemount 5408 delivers superior performance compared to pulse radar or ultrasonic devices. The FMCW principle involves transmitting a continuous radar signal with a frequency that changes linearly over time. The reflected signal from the product surface is then compared to the signal currently being transmitted. The difference in frequency between these two signals is directly proportional to the distance to the product level. This sophisticated method results in an extremely high signal-to-noise ratio, providing exceptional measurement accuracy and stability even in the presence of vessel obstructions, aggressive vapors, light foam, or turbulent surfaces. This makes it highly effective in applications where other technologies often fail.

A key strength of the Rosemount 5408 lies in its advanced in-built signal processing and intuitive configuration tools. The transmitter features sophisticated echo processing software that automatically identifies and locks onto the true product echo while effectively ignoring false echoes from fixed obstructions like pipes, agitators, or heating coils. This ensures a stable and reliable measurement from the moment it is commissioned. Users can easily configure and diagnose the device through its integrated, tap-operated local interface or remotely using the Emerson AMS Device Manager software or a HART communicator. This allows for quick setup, detailed echo curve analysis, and minimal maintenance requirements, reducing overall operational costs.

The design of the 5408 is focused on durability and ease of use. Its compact and lightweight form factor allows for installation in areas with limited space, such as on small nozzles. It is constructed with robust materials, including a polypropylene antenna option for highly corrosive chemical applications, ensuring longevity in harsh environments. The device is also designed for utmost safety, holding international approvals for use in hazardous areas, including ATEX, IECEx, and FM standards. Furthermore, the Rosemount 5408 supports multiple communication protocols. While inherently a 4-20 mA HART device, it is also available with PROFIBUS PA or Foundation Fieldbus capabilities, enabling seamless and digital integration into modern automated control systems for enhanced data collection and device management.

In summary, the Emerson Rosemount 5408 is a versatile and powerful radar level transmitter that packs the technological prowess of larger instruments into a compact and economical package. It solves the complex level measurement challenges prevalent in smaller process vessels and storage tanks, offering a reliable alternative to technologies plagued by condensation, coating, or vapor interference. By providing accurate data, reducing maintenance needs, and ensuring process safety, the Rosemount 5408 empowers industries to optimize their operations, improve product quality, and enhance overall efficiency.

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