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Eldridge Products, Inc. - 5 benefits of thermal mass flow meters

Thermal mass flow meters offer users a way to meter their gas flows with a number of significant benefits including, but not limited to:

  • An extremely high degree of accuracy, generally within 1% of the total flow or better.
  • High reliability and low downtime due to a design that involves no moving parts.
  • An effectively negligible impact on overall pre...
(read more)
Eldridge Products, Inc. - Guide to Thermal Mass Flow Meters

What Is a Thermal Mass Flow Meter and How Do They Work?

A thermal mass flow meter is an instrument used to precisely and constantly measure the rate of flow of a fluid – normally a gas – through a pipe or conduit in some sort of industrial application.
Thermal mass flow meters are inserted directly into the center of flow of the fluid they’re measuring, eith... (read more)

Eldridge Products, Inc. - Measure Flare Gas Flows in Large Stacks

Various industries will vent and flare gas, such as wastewater treatment, landfills, refining, oil & gas, etc.. The flare is burning off waste gases to protect the environment and equipment. Thermal Mass Flow Meters are a proven way for measuring that the flare system is operating as expected. We have a variety of meters that can do the job. Search our product line for insertion mete... (read more)

Eldridge Products, Inc. - Measure Your Flow and Treasure Your Dough!

Eldridge Products, Inc. (EPI) is a proven leader in gas flow measurement. Our Master-Touch™ thermal dispersion gas mass flow meters and patented Flow Averaging Tubes set the standard for innovation, performance and reliability. Now our Series 500 ValuMass™ flow meters offer a lower cost option for many flow applications with the high value associated with all of EPI's flow me... (read more)

Eldridge Products, Inc. - Need multipoint measurements of thermal mass flow?

Multipoint Systems are designed to measure gas flows where two or more sensing points are required due to large cross-sectional areas, such as large air intake ducts or air exhaust and flue stacks. These systems can have up to 5 sensors on each probe. Our System Control Panel (SCP) will average all sensors from all probes. Many probes can be connected to one SCP. (read more)

Eldridge Products, Inc. - 3...2...1...Flow! Inline Style Flow Switches

Inline flow switches are available in sizes from 1/4″ pipe through 4″ pipe and are provided with threaded male NPT ends as the standard mounting style. Optional end mounting styles may be specified. (read more)

Eldridge Products, Inc. - What industries make use of EPI Flow Meters?

EPI Thermal Mass Flow Meters are utilized in light and heavy industrial plants, process heating facilities, upstream/midstream/downstream oil and gas activities, and wastewater operations. Gas flow rates are measured by EPI meters in mass (Kg/Hr, Lb/Hr) or conventional volumetric units (MSCFD, SCFM). EPI meters can measure almost any gas flow in a broad array of applications. For... (read more)

Eldridge Products, Inc. - Gases We Flow

We offer flow meters that cover a wide variety of gases and applications

Our Meters Cover Many Applications

We calibrate our meters using a variety of gases in order to match our customers needs. Any gas that is not specifically on our list can, in most cases be substituted with another gas or mixture of gases.
Gases on our list include, Air, Argon, Carbon Dioxide, Eth... (read more)

Eldridge Products, Inc. - Flow Meters-Demonstrating Precision and Durability

To imitate the circumstances of your process line, our flow calibration specialists use a range of gases. Every EPI flow meter includes a live zero validation that allows you to evaluate the meter calibration within a 2 percent -5 percent tolerance and ten years of technical assistance and remote help from our technical staff to guarantee your meter continues to exceed your expectations. (read more)

Eldridge Products, Inc. - Handcrafted Meters Designed Specifically for You

Every meter shipped by EPI is manufactured in the United States by a team of experienced specialists and goes through an extensive testing and calibration procedure before being signed off. Every effort is made to guarantee that all items are dispatched swiftly, precisely, and safely to your door. (read more)

Eldridge Products, Inc. - CERTIFIED FOR HAZARDOUS LOCATIONS

Our HAZ meters are certified for hazardous locations (flame-proof locations), with a diecast aluminum explosion-proof enclosure certified to CSA/CUS, ATEX, IECEx, and KOSHA standards. (read more)

Eldridge Products, Inc. - Flow meter - measure industrial process gases

Flow meter - economically measure industrial process gases

Let us help you solve your process gas measurement needs. Products are certified to ATEX, CSA, CUS, IECEx, KOSHA, CE, for explosion proof and flame proof environments. (read more)

Eldridge Products, Inc. - Thermal mass flow meters you can count on

EPI offers a complete line of thermal mass flow meters and flow switches for virtually any application. Our instruments are accurate, durable, reliable and, most important, can help you conserve energy costs. (read more)

Eldridge Products, Inc. - Remote inline flow meters for hazardous locations

Master-Touch™ Series 8000–8100MP HAZ Remote Inline Flow Meters

Approved for Hazardous Locations, the Series 8000-8100MP Inline Remote Thermal Mass Flow meters are a brilliant choice for all environments. Accessible in an Inline system with Remote Electronics, this series provides you with a multitude of possibilities to suit most conditions you may need it for,... (read more)

Eldridge Products, Inc. - Types of flow meters and how they operate

View a list of many different types of flow meters, how they operate, and what applications they are ideal for. (read more)

Eldridge Products, Inc. - Important Thermal Mass Flow Technology Terminology

Mass Flow vs. Volumetric Flow

To avoid confusion when discussing flow or flow rate, it is important that the correct terms are used and that the concepts of flow rate, volume flow rate and mass flow rate are clearly understood. In general Flow Rate can be understood as the actual velocity (V) of the moving fluid, whereas Volumetric Flow Rate (Q) is expressed in units... (read more)

Eldridge Products, Inc. - Industrial Applications for Meters

In general, thermal flow meters can be used to measure virtually any gas flow. Restrictions apply, of course, but thermal flow meters have been used in the following applications and industries — and continue to be used every day:

  • Oxygen
  • Methane
  • Flue Gas

EPI flow meters work in many different applications and industries. (read more)

Eldridge Products, Inc. - How do thermal mass flow meters work?

A Full Guide to Thermal Mass Flow Meters

This guide aims to give a broad understanding of thermal mass flow meters, from the way they work to the industries they work best in.

What Is a Thermal Mass Flow Meter and How Do They Work?

A thermal mass flow meter is an instrument used to precisely and constantly measure the rate of flow of a fluid – normally a... (read more)

Eldridge Products, Inc. - Your Meter, Your Way

Introducing the New Meter Configurator

With the new EPI Meter Customizer, you can design the perfect flow meter for your application. Customize almost everything, including approvals, orientation, display options, communication options, and much more. When you’re finished, we’ll send you a customized quote in seconds!

Start Customizing (read more)

Eldridge Products, Inc. - Why is Thermal Mass Flow Metering is So Important

The applications listed above make up only a tiny fraction of the full scope of flow metering’s usefulness, but it’s clear from each that the process is exceptionally important to the bottom line, the effectiveness of production, and the environmental impact of industrial processes.
Thermal mass flow meters offer users a way to meter their gas flows with a number of sign... (read more)

Eldridge Products, Inc. - How Does a Thermal Mass Flow Meter Work

Thermal mass flow meters detect mass flow directly using the convective heat transfer theory. Two ratiometrically matched, reference-grade platinum Resistance Temperature Detectors (RTDs) are used in EPI's unique thermal mass flow sensors. The platinum sensing element wire is encased in a 316 Stainless Steel sheath or a Hastelloy C sheath if one is required. Our intelligent sensor techno... (read more)

Eldridge Products, Inc. - Measuring Flare Gas Flows in Large Stacks

Various industries will vent and flare gas, such as wastewater treatment, landfills, refining, oil & gas, etc.. The flare is burning off waste gases to protect the environment and equipment. Thermal Mass Flow Meters are a proven way for measuring that the flare system is operating as expected. We have a variety of meters that can do the job. Search our product line for insertion mete... (read more)

Eldridge Products, Inc. - How Do Thermal Mass Flow Meters Operate?

One of the beauties of thermal mass flow meters is their simplicity, both in their design and the concepts that drive their function. To understand how thermal mass flow meters work, it’s first important to understand what a thermal mass is. After all, it’s in the name. Thermal mass refers to a material’s ability to absorb and release heat. In your house, the wood, bric... (read more)

Eldridge Products, Inc. - Keep It Clean - High Purity Flow Meters

Our Series 800HPX includes a feature set designed for a variety of Ultra High Purity and High Purity applications including Semiconductor & Displays, Pharmaceutical, Biotechnology, Food & Beverage, and other processes that require a clean hygienic flow meter.

This series includes an industrial explosion proof enclosure. (read more)

Eldridge Products, Inc. - HVAC & Air Vent Meters

Thermal Mass Flow HVAC meters are used in a wide variety of applications.
Virtually every commercial structure — factories, office buildings, hotels, etc. — has an air distribution system for heating, ventilation and air-conditioning (HVAC). A well-designed, efficient HVAC system is critical to providing a comfortable and healthy environment for employees, visitors and g... (read more)

Eldridge Products, Inc. - Flow Meter Considerations for Flow Conditions

When you are looking for the perfect meter for your application, there are some terms and concepts that you should know about. Read about them below. (read more)

Eldridge Products, Inc. - Comparison of Thermal Mass Flow Technology

To help you better understand the flow meter technology comparison, some helpful terms have been defined below. (read more)

Eldridge Products, Inc. - Thermal Mass Flow HVAC Meters

Thermal Mass Flow HVAC meters are used in a wide variety of applications.
Virtually every commercial structure — factories, office buildings, hotels, etc. — has an air distribution system for heating, ventilation and air-conditioning (HVAC). A well-designed, efficient HVAC system is critical to providing a comfortable and healthy environment for employees, visitors and g... (read more)

Eldridge Products, Inc. - Thermal Mass Flow Technology Comparison

Get information about different types of flow meters and their uses, as well as some pros and cons. (read more)

Eldridge Products, Inc. - A Full Guide to Thermal Mass Flow Meters

This guide aims to give a broad understanding of thermal mass flow meters, from the way they work to the industries they work best in. (read more)

Eldridge Products, Inc. - Master-Touchâ„¢ Family of Flow Meters

In many industries the need for monitoring gas flow does not involve hazardous gases or potentially dangerous operating conditions. These applications can include many water and wastewater treatment applications, the HVAC industry, the general use of compressed air, and many other applications using air, nitrogen, argon, etc. In these cases, an explosion-proof electronics enclosure is no... (read more)

Eldridge Products, Inc. - Flow Meter Conditioning Options

Optimum installation for accurate flow rate measurement requires sufficient straight run to allow a uniform, non-swirling, fully-developed flow profile within the flow conduit. Eldridge Products has published guidelines for straight run requirements that address common piping configurations including single angular bends, multiple angular bends in and out of plane, pipe size transitions... (read more)

Eldridge Products, Inc. - Need Flow Meters that Can Take the Heat? No Sweat!

The EPI Model 8200MPHT series meters are great for high temperature applications where a remote enclosure is required.

All EPI flow meters are equipped with a robust feature set with a wide selection of standard and normalized units of measure and come with field validation at no extra charge. (read more)

Eldridge Products, Inc. - THERMAL GAS FLOW METER SOFTWARE

EPI Communicator™

EPICommunicator™ (EPICom™) is free proprietary software for use with the purchase of any Master-Touch™ or ValuMass™ flow meter. It consists of four modules — EPITerm, EPIMeter, ELogger and Modbus — which work together to put complete control of the Master-Touch flow meter in the hands of the user. EPICom™ uses the R... (read more)

Eldridge Products, Inc. - FLOW METER MOUNTING OPTIONS

Mounting Options - FOR INLINE AND INSERTION FLOW METERS

Inline style flow meters are plumbed directly into the process piping. A variety of installations / mounting options are available for sizes from 1/4 pipe through 4” pipe ( consult factory for larger pipe sizes). The default assembly includes 316SS schedule 40 pipe. Alternate pipe schedules, Hastelloy C-276 wette... (read more)

Eldridge Products, Inc. - EXPLOSION PROOF - Thermal Mass Flow Meters

This series is great for where agency approvals are required for Explosion Proof area locations. See specifications.

Master-Touch™ Series 8600MP–8700MP Flow Meters

MP Series flow meters are approved for use in hazardous locations (see specifications)

Inline style thermal mass flow meters include a flow section that is usually specifie... (read more)