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Flow Measurement

Case Study: New Orleans Addresses Storm Water System Vulnerabilities

Customer As a result of its unusual topography, the city of New Orleans is prone to flooding from the Mississippi River and Lake Pontchartrain, as well as frequent inundation from high intensity rainfall. Since the late 1800s, New Orleans Sewerage and Water Board (NOSWB) has been tasked with providing the city adequate drainage, sewerage collection…

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An Overview of Teledyne ADCPS Water Resources

Teledyne ADCPS Water Resources can cover a variety of monitoring needs from streams and rivers to reservoirs and irrigation channels. Their monitoring devices include both fixed-mount and boat-mount configurations, capable of monitoring water velocity, stage and discharge data at depths of .12 meters to 300 meters. Teledyne offers seven different products with varying specialties: the…

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The best magmeter for potable water applications

ElectroMagnetic Flowmeters, or magmeters, have long earned their reputation for metering flow of water and wastewater in closed-pipe applications.  When properly applied, the accuracy can be within fractions of 1 percent.  Magmeters are calibrated on a laboratory flow stand and hold NIST Traceable Calibration Certificates. For potable water metering, magmeters offer no moving parts, filters…

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Top FAQs on Third Party Flow Meter Calibration

What is third party flow meter calibration? Third party flow meter calibration is when a recognized independent service company tests and adjusts your flow meter(s) for optimum performance, following the manufacturer’s recommended procedure. Why do I need third party flow meter calibration? There are several reasons third party calibration is recommended, including: Most permits require…

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6 Benefits of Clamp-On Ultrasonic Flow Meters

According to the American Water Works Association, public water systems lose approximately $2.8 billion in annual revenue from water loss. Non-Revenue Water (NRW), combined with the environmental impact, has drinking water specialists looking for more flexible and accurate flow measurement technologies to locate, and  quantify, sources of loss. The Transit Time Ultrasonic technique provides a…

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Welcome FLEXIM to Our Product Line

We at CC Lynch and Associates are excited about our newest flow meter for drinking water, wastewater and thermal energy monitoring; by FLEXIM. FLEXIM offers portable and permanent metering solutions with external pipe “clamp-on” technology and ultrasonic sound. Advantages of FLEXIM ultrasonic clamp-on meters include: Quick and Easy Installation without process interruption or flow by-pass Low installation…

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Solar Power for Flow Monitoring without AC. No Power No Problem.

Solar power arrangements for flow monitoring systems can be an effective remedy for remote locations where power is often unavailable, or too time consuming / expensive to run. Several models of flow meters, auto samplers and water quality analyzers come in models that can operate on 12 or 24 VDC. A solar power system mainly…

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Measuring Flow in Gravity Sewers

There is nothing more difficult than measuring flow in gravity sewers. WRUA bought 34 Isco Area Velocity Meters – Quality Equipment & Post-Sales Service Sealed the Deal.  By Mary Therese Gookin West Rankin Utility Authority (WRUA) provides wastewater treatment for seven neighboring members serving a population of 100,000.  Bruce Stephens, Executive Director of WRUA, a…

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Temporary Flow Measurement Solution With An Improperly Installed Flume

Recently one of our customers was contracted to perform a temporary flow study at a commercial bakery.  The purpose of the flow study was to quantify the volume of process wastewater being discharged so a pretreatment system could be designed and installed to satisfy the requirements of the local water control district.  Our customer reached…

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Multiple Outfall Flow Monitoring Application Challenge

A recent application challenge was presented to us by an industrial customer in the Southeast Texas area. The customer was relocating their final outfall from their wetland treatment system to a remote area without AC power. They needed a way to measure flow rates in three side by side 36” culverts and collect flow weighted…

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How Larger Flow Meters Speak Volumes

This article was written and originally shared by Richard Lowrie, Water and Wastewater Industry Specialist, KROHNE, Inc. Water is money! The price of water is increasing all over the world; due to this the water industry wants the highest accuracies possible on the methods of flow measurement used. In large distribution networks, meters over 48…

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Excessive Approach Velocity in Parshall Flume Flow Measurement Applications

Since the 1930s, wastewater professionals have relied on the Parshall flume as the primary device for open channel flow measurement applications. Parshall flumes provide a very repeatable relationship between water level (Ha) and flow rate; but, only so long as the approaching flow conditions are appropriate. For any flume design, the hydraulics must cause a…

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Fundamental Principles of Electromagnetic Flow Measurement

Just as valuable as Teledyne Isco’s Open Channel Flow Measurement Handbook, Krohne’ has “written the book” on magmeters.  Download your copy of the Fundamental Principles of Electromagnetic Flow Measurement by Friedrich Hofmann of Krohne.  This book describes:

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Validating MagMeter Calibration

Electromagnetic Flow Meters (commonly referred to as magmeters) are one of the most common techniques for metering flow in the water / wastewater industry; primarily because, when installed properly, this is one of the most accurate and reliable measurement techniques available. Magmeters are factory calibrated on precision test stands; usually to NIST traceable standards. Over…

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Fundamentals of Electromagnetic Flow Meters – Grounding

To understand the importance of grounding in Electromagnetic Flow Meters (EMF) let’s start by making sure we understand the basic principles of an EMF.  EMFs theory of operation is Faraday’s Law of Induction which states that a voltage is induced across a conductor moving through a magnetic field.  In terms of an EMF this means…

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Don’t Forget Your Calibration

Calibration of permitted outfall equipment is a requirement on most NPDES permits today and can prove to  be valuable documentation when the regulatory agents come visit.  C.C. Lynch provides flow meter, sampler, and parameter equipment (i.e. pH, DO, Turb, etc) calibrations onsite and will provide the necessary documentation to satisfy regulatory agencies.  

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Teledyne Isco 2150 Flow Meter Found After Hurricane Isaac

For several years the Louisiana Coastal Protection and Restoration Authority has utilized 3 Teledyne Isco 2150 Area Velocity Flow Meters to monitor freshwater flow into Coastal marshes. The Caernarvon Freshwater Diversion Project takes sediment laden freshwater from the Mississippi River and allows it to flow into the marsh providing nutrients and sediment needed to restore…

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Teledyne Isco Flow Calc App for iPhone and iPad

Teledyne Isco introduces “Isco FlowCalc,” an iPhone/iPad app that calculates flow rates in open, non-full channels and pipes. Teledyne Isco is the first company in the world to provide these features in an application for mobile devices. The app can be downloaded from the iTunes App Store using following link: //itunes.apple.com/us/app/isco-flowcalc/id585920226?mt=8

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