Level Measurement for Filtration in Drinking Water Operations

Accurately measure water levels in filter beds to help automate and optimize filtration processes.

Insight Improves Maintenance in Water Purification Basins

Filter beds are used to purify water and are often composed of sand. As water flows through the layers of sand, it gets filtered as suspended solids are captured in the sand particles. Once the particles and sand set, the water will stop filtrating and the filtration process is initiated. Most commonly, air is pushed through the bottom of the filtration basin, unsettling the sand and allowing the water to filter through again. Level measurement instrumentation is needed to control the filtering processes to ensure a steady supply of filtered water and keep the level equal across several filter beds. Level measurement also gives full insight into potential maintenance needs of filtration basins.

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Product Solutions

Rosemount™ 1208 Non-Contacting Level and Flow Transmitter

The Rosemount 1208 Series provides accurate and reliable level measurement and open channel flow calculations. The radar level transmitter has been designed to solve challenges in water and wastewater, utilities and basic chemical applications. The Rosemount 1208 uses continuous non-contacting radar technology and features Smart Echo Supervision™ technology, in a compact PVDF housing with drinking water and food grade approvals. Its encapsulated design also withstands outdoor conditions and is fully submersible over extended periods of time. The Rosemount 1208 Series communicates via Bluetooth® wireless technology, 4-20 mA HART® or IO-link and has a broad range of mounting accessories, making it easily integrate into both new and existing systems.

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Product Features
Specifications

With Smart Echo Supervision™ technology, Rosemount Non-Contacting Radars automatically track all echoes, including those from obstructions in the vessel, and distinguish them from the real product surface echo. This ensures the true product level is reliably and accurately reported.
Compact and robust design to withstand harsh environments, designed for outdoor conditions, submersion and hazardous location installations
Simple configuration over your tablet/mobile device via Bluetooth® wireless technology

Communication Protocol

Bluetooth® wireless technology, 2-wire 4-20 mA HART or 3-wire 4-20 mA, IO-Link, Switch

Interoperability

Process connections and accessories sold separately. See Product Data Sheet for complete list of brackets, flanges, IO-Link accessories, etc.

Measurement Range

49.2 ft. (15m)

Rosemount™ 3490 Controller

The Rosemount 3490 Series provide comprehensive control functionality for 4–20 mA or HART compatible transmitters, such as the Rosemount 1208 Level and Flow Transmitter. The series consist of two models that offer varying levels of control functionality depening on your specific application needs. The Rosemount 3490 Controller enables simple programming through intuative wizards for level and flow measurement to control pumps, totalize flows, log data and calculate differentials. The controller is easy-to-read and has a colored LCD display that offers a simple, intuitive and an user-centric interface.

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