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The VE804 Series operates based on Faraday's Law of Electromagnetic Induction. As the conductive fluid flows through a magnetic field, it generates an induced voltage proportional to the flow velocity. This signal is converted into volumetric flow data. With dual integrated Pt1000 temperature sensors, the system simultaneously measures the supply and return fluid temperatures, enabling accurate thermal (or cooling) energy calculation in accordance with international standards.
★ High Measurement Accuracy: Class 1 and Class 2
★ Nominal Diameter Range:
Inline Type: DN10 to DN300
Insertion Type: DN100 to DN2000 (ideal for retrofit or large pipeline applications)
★ Dual Pt1000 Temperature Sensors:
Factory-integrated to ensure synchronized thermal measurements
Simplifies system installation and wiring, reducing overall costs
★ Multi-Mode Functionality:
Supports heating, cooling, and combined heating/cooling applications
Automatic mode switching based on flow direction and temperature differential
★ Comprehensive LCD Display:
Real-time display of key parameters including:
▸ Thermal/Cooling Energy
▸ Instantaneous Flow
▸ Totalized Flow
▸ Supply & Return Temperatures
▸ Temperature Differential
▸ Power Output
★ Secure Parameter Management:
Password-protected digital configuration prevents unauthorized access or setting changes
★ Hot-Swap Installation (Insertion Type):
Sensor removal and replacement without shutting down the system
Ideal for continuous operation scenarios and low-maintenance environments
★ Urban & Industrial District Heating and Cooling Networks
★ HVAC Systems in commercial buildings, airports, hospitals, and data centers
★ Steam and Heat Energy Monitoring in power plants (condensate return systems)
★ Petrochemical and Chemical Plants — monitoring heat transfer in process fluids
★ Pharmaceutical and Food Industries — thermal control in heating and pasteurization processes
✬Smart Building Energy Management:
Installed at the inlet/outlet of HVAC systems to monitor energy usage for intelligent building automation.
✬Energy Sub-Metering for Commercial Complexes:
Provides individual tenant billing and energy consumption insights for malls, office towers, and residential high-rises.
✬District Heating Plants:
Measures thermal energy delivered to substations or end-users to ensure accurate billing and system optimization.
✬Central Chilled Water Plants (Cooling Applications):
Used to track cooling energy consumption across multiple delivery points in large campuses or industrial parks.
✬Process Heat Monitoring in Industrial Systems:
Suitable for closed-loop heat exchange systems where precise energy balance is essential.
We are renowned for manufacturing professional and high-precision industrial instruments. Our expertise lies in providing unparalleled flow measurement resources, backed by over 12 years of experience solving complex applications.
Our precision flow metering devices are used by a diverse range of users, ranging from major oil and gas companies to photovoltaic providers, pharmaceutical manufacturers, and municipal services. We continuously contribute to the development of flow measurement in the domestic energy and chemical industries due to our expertise in measuring variable component gases and peculiar mediums.
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READ MOREThe electromagnetic flowmeter operates based on Faraday's Law of Induction, which states that an electromotive force(EMF) is induced in a conductor when it moves through a magnetic field. This measurement principle can be applied to conductive fluids. When such a fluid flows through a pipe perpendicular to the direction of a magnetic field, an induced EMF is generated in the fluid. This induced EMF can be measured using two symmetrically placed electrodes.
The signal voltage Ue is directly proportional to the magnetic flux density B, the distance between the electrodes D, and the average velocity of the fluid V. Since the magnetic flux density B and the distance between the electrodes D are constants, the signal voltage Ue is directly proportional to the average flow velocity V.
The equation used to calculate the volumetric flow rate indicates that the signal voltage Ue is linearly proportional to the volumetric flow rate.
The induced signal voltage is converted into scaled, analog, as well as digital output signals in the converter.