Case – Fluid Heat Measurement

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Electromagnetic heat meter is an inductive instrument for measuring conductive media, suitable for measuring the volume flow of conductive liquids with a conductivity greater than 5μs/cm. The electromagnetic heat meter consists of a flow measurement unit, a heat calculation unit and a paired temperature sensor (PT1000), which can calculate, accumulate, store and display the amount of heat absorbed or released in the heat exchange circuit. The same electromagnetic heat meter can measure heat loss and cold loss respectively.

Case Sharing

A customer from Bulgaria saw our electromagnetic heat meter product on our website and provided us with his actual measurement parameters. Finally, we determined the parameters of the electromagnetic heat meter together.

  • Electromagnetic heat meter
  • DN50mm
  • 316L electrode
  • PTFE lining
  • AC220V
  • Output 4~20mA, with RS485 communication
  • LCD displays instantaneous flow and cumulative total
  • Integrated flange connection
  • Flow range: 3.5~35m³/h
  • Accuracy: 0.5%
  • Temperature resistance: 80℃
  • Pressure resistance: 1.6MPa
  • Equipped with two Pt1000 temperature sensors

Working Principle

A pair of Pt1000 platinum resistance temperature sensors are installed on the pipes at the inlet and outlet of the heat exchange circuit of the air conditioner or heating system, and the temperature value of the supply and return water pipes is accurately collected and the signal is transmitted; the flow sensor (pipeline electromagnetic flowmeter) is installed on the inlet or outlet pipe, and the pipe network flow value is accurately collected and the signal is transmitted. The energy operator is used to receive temperature and flow signals, and calculate and store energy consumption through the K system method principle, and the effective data in the energy operator (such as cumulative heat value, cooling value, equivalent flow value, supply and return water temperature and temperature difference) can be transmitted to the computer through bus communication to realize intelligent management.

Application Of Electromagnetic Heat Meter

  1. Application In Central Heating System
    In large central heating system, electromagnetic heat meter is the key equipment to achieve accurate heat measurement and fair charging. It is installed on the heating pipeline to accurately measure the heat delivered from the heat source to each user end. Based on these data, the heating company charges according to the actual heat used by the user, which changes the previous extensive mode of charging by area and effectively promotes the energy-saving awareness of users.
  1. Heat Monitoring In Industrial Production
    In the industrial production process, many links involve the transfer and utilization of heat. Electromagnetic heat meter can be used to monitor the heat output and recovery of industrial boilers, heat exchangers and other equipment. Not only that, for some waste heat recovery systems, electromagnetic heat meter can accurately measure the recovered heat, provide data basis for enterprises to evaluate the waste heat utilization effect, and help enterprises achieve energy conservation and emission reduction goals.
  1. Application And Development In Intelligent Buildings
    With the rise of the concept of intelligent buildings, electromagnetic heat meter plays an important role in building energy management systems. It is integrated with the building automation system to realize real-time monitoring and analysis of heat usage in various areas of the building. Property management personnel can reasonably adjust the operating time and power of heating equipment based on these data to achieve intelligent heating control. At the same time, for newly built green buildings, the application of electromagnetic heat meters helps to meet the requirements of building energy-saving standards and improve the overall energy efficiency of buildings.

Product Features

  • Use 16-bit single-chip microcomputer for data calculation, platinum thermal resistor for temperature measurement, and electromagnetic flowmeter for flow measurement, with high measurement accuracy and stable use.
  • There are no resistance components in the measuring tube, no pressure loss, and it is not affected by poor water quality.
  • The measurement flow range is wide.
  • The large-screen LCD backlight is fully displayed in Chinese (can be set to English), and clear readings can be made in strong light and no light.
  • It has the function of simultaneously displaying data such as cumulative heat, cumulative flow, instantaneous heat, instantaneous flow, inlet water temperature, outlet water temperature, temperature difference, etc., and can query and display parameters such as flow rate and power outage records.
  • It has a unified DC signal and frequency signal output function, and this function can switch between heat and flow parameters.
  • RS485 (RS-232, M-BUS and HART optional) digital communication output, convenient for remote communication.
  • Password protection function, those without password cannot modify working parameters.

More solutions for flow measurement

Summary

Sino-Inst’s electromagnetic heat meter is popular all over the world, supporting body, electrode, lining, pressure and temperature customization on demand. You tell us the working conditions, we give a dedicated solution, so that each one is just right for you. If you have any needs, please feel free to contact us.

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