Thermal Flow Meters for Any Application

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  • Thermal Flow Meters from EPI offer easy installation with single weld-o-let connection and minimal setup.
  • Built-in EPIVAL calibration validation reduces downtime and maintenance.
  • High turndown (100:1) and low-flow sensitivity ensure accurate readings across variable conditions.

Thermal flow meters have become a go-to solution for many industrial customers who need reliable, accurate, and cost-effective flow measurement. Eldridge Products Inc. (EPI), specializes in thermal mass technology that is not only dependable but also highly versatile—adapting seamlessly across a wide range of industries and applications. Whether you’re monitoring flue gas, combustion air, aeration flows, or compressed gases for submetering, our thermal mass flow meters deliver consistent performance where it matters most.

Why Choose Thermal Flow Meters?

1. Accurate and Repeatable Results
One of the top reasons customers choose EPI thermal flow meters is their high accuracy and repeatability, especially when compared to similarly priced flow technologies. In real-world conditions where flow can fluctuate due to process changes, thermal mass technology maintains its precision. This is especially critical in applications like combustion control or emissions monitoring, where even small deviations can lead to inefficiencies or regulatory issues.

2. Simple Installation with Minimal Disruption

Installing a thermal mass flow meter is remarkably easy. Most applications require only a single weld-o-let connection, with no need for large-scale pipe modifications, multiple flanges, or complex assemblies. EPI’s insertion-style probes fit directly into the process line, making them ideal for both new systems and retrofit projects. This translates to lower installation costs, faster deployment, and minimal downtime.

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3. Built-In Calibration Validation
Maintenance can be a major concern with any flow measurement technology. That’s why our meters include the EPIVAL calibration validation feature, allowing users to confirm meter accuracy in the field in five minutes or less. This automated check helps identify whether a meter actually needs recalibration—eliminating unnecessary factory returns and ensuring your system stays online. Calibration validation is a premium feature offered by top-tier manufacturers, and it’s standard with Eldridge Products Inc.

4. Exceptional Turndown and Low Flow Sensitivity
Thermal mass meters offer a typical turndown ratio of 100:1, allowing them to accurately measure both high and low flows within the same system. This flexibility is particularly valuable in applications where demand varies widely, such as in HVAC air flow, batch processing, or seasonal gas consumption. Additionally, our sensors have excellent low-flow sensitivity, making them ideal for leak detection, pilot line monitoring, or submetering critical utility gases.

5. Fast, Preconfigured Commissioning
Getting up and running with our flow meters is fast and simple. Each unit is preconfigured for your specific application, reducing setup time and complexity during commissioning. In most cases, users can have their system operational within minutes, without needing to perform complex programming or calibration in the field.

A Versatile Solution for Many Applications

From wastewater aeration systems to natural gas submetering, combustion air control to nitrogen monitoring, EPI’s thermal flow meters are built to handle it all. Their versatility, combined with ease of use and long-term reliability, makes them the smart choice for engineers and operators who value performance without added complexity.

If you’re looking for a better way to measure flow, it’s time to consider the full benefits of Eldridge Product’s thermal mass flow meters—precision, simplicity, and flexibility, all in one package.