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Glycol/Hot water applications involve the measurement of the temperature difference of the heat exchange liquid (water and/or glycol) on heating system supply and return pipes, as well as the flow of the heat exchange liquid to calculate the amount of thermal energy used.
Flow meters provide accurate measurements for hydronic heating, BTU metering and sub-metering and solar thermal applications to provide operators with the granular data they need to maintain an efficient and effective system.
Measuring glycol/hot water liquids within hydronic heating, BTU metering and sub-metering and solar thermal settings requires careful meter selection. Facilities managers, controls contractors and chief engineers have a variety of glycol/hot water meters they can choose from to maximize accuracy and efficiency, while also operating with a flow accuracy of 2% or better and temperature differentials better than 0.5° F. Below are the top glycol/hot water meter technologies controls engineers and facilities managers in your industry are choosing.
In glycol/hot water applications, ultrasonic clamp-on flow meters provide a complete energy flow solution. Our Dynasonics® TFX-5000 Ultrasonic clamp-on flow meter, for example, is non-intrusive so it reduces installation costs and time. It can also integrate metering components with flow and temperature sensors to accurately measure BTU energy costs for sub-metering purposes.
Electromagnetic meters provide excellent accuracy with reduced pipe runs and good low-flow capabilities, which are important features for glycol/hot water application measurement. With our ModMAG® M2000 Electromagnetic flow meter complete with a PTFE liner, key stakeholders are realizing benefits including excellent turndown ratios, no moving parts, little to no pressure drop and minimal maintenance and excellent repeatability.
Impeller insertion and inline meters are a common choice in HVAC applications. Our Impeller SDI series flow sensor with valve assembly for hot tap insertion offers unparalleled performance for liquid flow measurement, with a quick response to changes in flow rate. Our latest design is not only rugged and non-fouling, but it also doesn’t require custom calibration—hence its popularity in this industry.
The FC-5000 BTU Monitor provides accurate measurement of power/energy consumption used in closed-loop, hydronic thermal transfer systems, typically found in HVAC sub-metering applications. It allows individuals to view raw and calculated flow data, both to and from the device, including flow data, energy usage and temperature readings. Instantaneous rate and total energy consumption is achieved, simultaneously, while conforming to EN 1434 calculation standards.
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Badger Meter is an industry-leading innovator in flow measurement, water quality and control products, serving water utilities, municipalities and commercial and industrial customers worldwide.
