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The HEATX2 Btu meter was the first of its kind in the Energy Sector Industry and still provides many capabilities that are unmatched by other energy or Btu measurement devices. As an energy measurement platform, it provides new flexibility, functionality, and consolidation capability that would take 3-4 four devices to accomplish before its introduction. 

1. The HEATX2 improved the BTU meter installation as the first platform with the flexibility to measure two BTU energy loops within one device, simplifying the BTU meter installation per building depending on the requirements of energy measurement. Meaning it can measure (2) Hot Water Heating, (2) Chilled Water Cooling, or (1) Hot Water and (1) Chilled Water energy measurement in a single device.

2. The HEATX2 improved the BTU meter installation as the first open platform allowing it to calculate energy in a Heating Hot Water or Cooling Chilled Water loop, but also providing input capability as a collector for other energy measurements (steam flow, domestic water (hot or cold), pressure, temperature, electrical, usage, and provide a gateway via standard communications to a building management or automation system.

3. The HEATX2 improved the BTU meter installation as the first energy measurement platform to calculate Total Heat from condensate. The Total Heat calculation, made with (1) Condensate meter and (2) Temperature Sensors, allows elimination of (1) Heating Hot Water flow meter, (1 maybe 2) Steam Flow meter(s) and (2) Temperature Sensors. In turn, it calculates how much energy (Btu’s) was provided to a (HX), how much energy (Btu’s) was provided to a Heating Hot Water loop, and how much energy (Btu’s) is left over in the condensate. This calculation accounts for the entire heat provided by the heat exchanger, how much energy went to the heating loop, and how much energy was not used or lost in the exchange. 

In addition, since the Total Heat calculation eliminates the measurement of the compressible media (Steam Flow) the measurement of the steam usage is actually improved. Typically steam measurement devices limited turn down (30:1), and have finite low flow capability. Meaning they are very sizing sensitive and will quit functioning when steam velocity drops to a certain point (Reynolds number dependent in transitional flow area). Though, it’s not uncommon for meters to have a finite low flow point in compressible media applications, where this has a tendency to occur (depending how well the meter is sized for maximum turndown) with 20%-40% of flow rate still passing through the meter. By measuring condensate (non-compressible) and using the CMAG flow meter in either a gravity or pumped condensate application, the steam used or converted to condensate can be 98-99% captured or measured.

4. The HEATX2 improved the BTU meter installation by providing the capability to measure Total Heat and a Chilled Water Cooling loop simultaneously. Consolidating these two measurement allows meter consolidation, elimination, and improved overall measurement as referenced previously.

5. The HEATX2 improved the BTU meter installation by providing two communications (Bacnet-IP and Modbus-IP) simultaneously via an internal 5-channel HUB mounted in the enclosure. This allows multiple communications access to the same data directly without going through an intermediate system handshake or gateway. For example, as BMS system pulls data via Bacnet-IP for building management or energy billing usage, a PLC system pulls Modbus-IP data for control or operational functionality.

6. The HEATX2 improved the BTU meter installation by providing redundant or back-up onboard archiving. The device allows for first in/first out onboard archiving for any measure or calculated value within the device. Depending on the number of sample points and the sample time of each point the archiving data values could be stored anywhere from a couple weeks to over a year, before rolling out.