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Accuracy is crucial in cost allocation/sub-metering applications within the flow industry, especially hydronic applications where tenants are billed based on their energy and water use. This is an example of sub-metering, where flow meters track water flow 24/7, communicate it to a data management system and facilities managers or similar individuals assess the information to bill tenants based on their actual use. In cost allocation applications, the entire facility’s water usage is tracked and then divided out based on number of units, square footage or a similar guideline. In both cost allocation/sub-metering applications, flow meters can also help facilities managers or chief engineers identify abnormalities in the system, usage spikes or inefficiencies that need improvement.
When selecting flow meters for cost allocation/sub-metering applications, it’s critical that controls contractors, facilities managers and chief engineers select meters with unparalleled accuracy. Top benefits include:
Wide turndown and low-flow capabilities are crucial to ensure no water use goes unmeasured or unbilled.
Individuals also choose our Dynasonics® TFX-500w Ultrasonic clamp-on flow meter for water sub-metering settings and our TFX-5000 Ultrasonic clamp-on flow meter for energy sub-metering. These meters simply clamp on to the pipe’s exterior and can be up and running within an hour, without shutting down operations or interrupting service.
Electromagnetic meters offer superior accuracy in energy and water sub-metering applications. Our ModMAG® M2000 Electromagnetic meter is used as a solution in water sub-metering applications because it fits pipes ranging from ¼ up to 54 inches, handles temperatures up to 302° F and has an impressive accuracy of + 0.2%. In energy sub-metering applications, our ModMAG® M2000 meter is often paired with our FC-5000 BTU Flow Computer and resistance temperature detectors (RTDs) to create a complete and accurate system that eliminates energy loss and improves accurate billing.
Disc technology offers a dependable solution within cost allocation/sub-metering applications. Our Recordall® Nutating Disc meters have a wide flow range and provide unparalleled accuracy even in low-flow settings. These cost-effective meters are rugged, reliable and designed for metering industrial fluids. They also require minimal maintenance, which can be performed without removing meters from the line.
The Impeller 380 Series BTU system meter is an all-in-one energy usage package for monitoring heating or cooling systems. It features an impeller flow sensor and two temperature probes strategically designed to simplify installation and save time. This meter accurately measures both flow and temperature differential to compute energy and can interface with many existing control systems.