Redundant-Level Flow Monitoring System

Redundant-Level Flow Monitoring System

Product Number: FL902AVUS.97

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Experience the power of redundancy.

At times, depending on the difficulty of flow monitoring site applications or conditions, as well as in overflow monitoring or billing scenarios, more than one level measurement is desired to guarantee accuracy. That’s where the Hach Redundant-Level Monitoring System comes into play. This system combines a Hach FL900 Series Flow Logger with AV9000 Analyzer Module, a Hach Submerged AV Sensor, and a Hach US9003 In-Pipe Ultrasonic Sensor to create a highly accurate level monitoring solution. In this configuration, level is captured by both a pressure transducer in the Sub AV sensor and with ultrasonic technology in the in-pipe sensor, dramatically limiting your risk of missing data.


Benefits

Redundant-Level Monitoring System

Often more than one level measurement is desired due to the application or site conditions. The Hach redundant-level system provides this capability and includes an FL902 flow logger, an AV9000 with a Hach submerged area velocity sensor, and an US9003 in-pipe ultrasonic level sensor. In this configuration, the pressure transducer in the submerged area velocity sensor and the in-pipe ultrasonic sensor measure level and either or both can be used to calculate flow. Redundancy is often desired to insure accurate level measurement in critical situations such as overflow monitoring or billing.

Plug-and-Play Sensors with FL900 Series Flow Loggers

Get started with the FL902 and create a flexible flow meter
network using FL900 series loggers and plug-and-play flow
sensors. Three velocity sensor technologies and two level
sensor technologies are available along with both noncontact
and submerged options. The FL902 used for the
redundant-level system has two sensor ports and can be
deployed for future projects with different sensor
combinations to match the application.

Easy Installation Decreases Site Time and Increases Crew Efficiency

For typical redundant-level monitoring applications, the
submerged AV sensor and in-pipe ultrasonic sensor are
installed on a single mounting band with the submerged
AV sensor at the base of the pipe and the ultrasonic sensor
at the crown of the pipe. For confidence in the installation,
both sensors provide real time measurements and the in-pipe
ultrasonic sensor includes a status LED that indicates proper
installation and operation. With the time-saving features
designed into the system, crews spend less time on site,
increasing the effciency of flow monitoring crews.

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If applicable, please view Replacement Product above or contact Hach Customer Service for further assistance.