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Clamp-On Flow Meters

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This flow meter type is popular in industries such as: food and beverage, pharmaceuticals, wastewater management and water treatment, pulp and paper, power, HVAC, and mining. Within these industries and others, they are often used to measure the flow of dirty and highly hazardous or corrosive fluids. Read More…

Clamp-On Flow Meters Clamp-on flow meters, sometimes known as non-invasive flow meters, are ultrasonic flow meters designed to measure flow without physically touching the fluid.
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Leading Manufacturers

Monterey, CA  |  831-373-0200

Sierra manufacturers high performance mass flow meters and controllers for nearly any gas, liquid or steam. Customers choose Sierra when they need an accurate and repeatable flow measurement, short delivery lead times, expert flow advice and long term support. When it matters, choose Sierra. Visit www.sierrainstruments.com.

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Sierra Instruments $$$

Sturtevant, WI  |  262-886-2695

SIKA is a developer and manufacturer of flow control products and a wide variety of other measuring and monitoring systems. Our inventory includes flow sensors, flow meters, flow switches, and many more. We know that flow solutions aren't one-size-fits-all, which is why we provide consultation and flow management solutions that are individualized and customized to your requirements. When you choose SIKA, you will receive efficient, durable products and customer service tailored to your needs.

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SIKA USA $$$

El Monte, CA  |  800-800-3569

Sparling Instruments designs and manufactures fluid flow measuring products used for measuring the flow of liquids in many industries including water production and distribution, wastewater treatment, water remediation, and a myriad of industrial and commercial applications.

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Sparling Instruments, LLC $$$

Irvine, CA  |  800-325-1405

The flow meters that we are able to provide will withstand the tests of time in order to provide a long lasting value! We have locations in thirty five countries worldwide and we are dedicated to being wherever you need us to be! We have the knowledge and the capability to work with you closely in order to come up with the perfect product to suit your needs! Visit our website today to learn more about what we may do for you!

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Burkert Fluid Control Systems $$$

Andover, MA  |  978-645-5500

The MKS family of flow delivery products includes flow meters, mass flow controllers, in-situ mass flow verifiers, and flow ratio controllers. Enabling our customers to bring their products and processes to market faster, more reliably, and more cost effectively is at the heart of our flow measurement and control product design philosophy.

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MKS Instruments, Inc. $$$
placeholder image Sierra Instruments SIKA USA Sparling Instruments, LLC Burkert Fluid Control Systems MKS Instruments, Inc.

They are so useful for these types of applications because, since they do not actually come in contact with the fluids, the flow meter sensor heads are not at risk for damage like corrosion.

Instead of reading flow from inside the pipe, they read flow from the outside of the pipe, the surface to which they are clamped. There, the flow meter sensor(s) collect flow data by sending and receiving ultrasonic pulses. They send their collected data to a connected readout for interpretation. Typically, this readout device is digital, but it can also use analog outputs, relay outputs, binary + RTD inputs, or a combination of all of them.

Most often, these highly useful flow meters come in single and dual-sensor models. Single sensor meters work using piezoelectric transmit and receive crystals that are planted in just one sensor body. Customers clamp these onto a single point on the pipe surface and connect the sensor to the pipe using a coupling compound. Dual-sensor meters are built with the transmit crystal in one sensor body and the receive crystal in the other.

The main drawback of clamp-on flow meters is the fact that they do not work well with pipes that are lined, particularly linings of copper, concrete, plastic or fiberglass. This is because the lining interferes with transmit and receive signals, making the flow meter readings inaccurate.

Nevertheless, the unique, non-invasive nature of clamp-on flow meters presents a variety of benefits. First, the monitored flow remains undisturbed and without pressure drops. This allows for undistorted, more accurate readings. In addition, during installation, it is not necessary to break open your pipe system in order to insert the flow meter. Rather, you can easily install and uninstall the meter by clamping on to your pipe. This not only saves you time and money, but also makes it less likely that your system will leak or become contaminated. Also, because your meter will not be exposed to fluids, it will last longer. This is cost-effective both in the short and the long run; if you like, when you’re done with one application, you can remove your meter from the pipe and use it on another.

Clamp On Flow Meter Informational Video

 

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