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BTU Measurement
Meters Products

Heat Meter, Ultra Sonic Heat Meters, Sonic Flow Meter

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The 280T heat meter offers the most  advanced BTU measurement by using state-of-the-art ultrasonic flow measurement  technology. It does not have moving parts to wear out, thus, literally requires  no maintenance. It is also very cost-effective. This means both commercial and  residential installations can profit from the advantages of wear-free heat  measurement: precision, operating security and long service life.

With its maximum 95°C operating temperature (130°C version is  available upon request) and nominal pressure of 1.6MPa, the technical  specifications meet the standard for residential meters. The high measurement  dynamic allows a load of up to double the rating, thereby ensuring high  operating security.

Reliable Ultrasonic Flow Measurement 

280T heat meter uses transit-time ultrasonic flow measurement  principle to measure the flow rate: opposite sending and receiving transducers  send ultrasonic signals alternately with and against the flow direction. The  flow rate can be exactly calculated from the difference between the two transit  times. There is no moving components in the sensor, and as a result, the measurement is wear-free and stable over a very long time period.

Suitable for Both  Commercial and Residential Applications 

This compact meter fits  in even the smallest installation conditions and can be mounted separately from  the electronics console. The meter also has an order option for remote read-out  (pulse, M-Bus or RS485 output). The large display can be set to display heat  consumption, temperatures, flow total, working time or velocity.

Remote Readout System for  building energy management                                            

280T offers various output interfaces, such as Pulse, M-Bus, RS485/MODBUS, BACnet/MSTP, LonWorks, Radio and more, to accomodate a wide range of applicatioins. When equipped with M-Bus  module, the heat meters can be networked through a two-wire bus to a central location for integrated resource management.

An optional concentrator and data acquisition software make the whole system installation and integration easy. Spire Metering provides a complete AMR solution. 

Features and Benefits

  • Wear-free ultrasonic measurement. No maintenance needed
  • Robust sensor design. Excellent long-term stability. Accuracy does not degrade over time
  • Not impacted by  water impurity or magnetic interference
  • Wide measurement  range
  • Low pressure drop
  • For both hot and  cold water
  • Free positioning  for mounting
  • Battery supply for 6 or more years
  • Nominal pressure  up to 1.6MPa
  • Pulse / M-Bus / MODBUS /BACnet /LonWorks /Radio for remote readout
  • Optional AMR and  data management software
  • Simple and easy to  install. Electronic box can be detached from the sensor body and installed separately
  • Low cost over long  run, Low cost of ownership

Applications


• Residential submetering
• Commercial buildings
• District heating / cooling
• HVAC
• Green energy management
• AMR and Billing

Specifications


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