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Yunyi has engaged in the research and development of pressure, liquid level, flow, and temperature sensors and transmitters, as well as their solutions. Providing OEM & ODM and custom design services

YFM4800E 4G Wireless electromagnetic flowmeter

Wireless measurement · Zero pressure loss accuracy · A new era of conductive fluid monitoring

4G Wireless Electromagnetic Flowmeter utilizes Faraday’s electromagnetic induction principle, combined with industrial-grade wireless IoT technology (LoRaWAN/NB-IoT/4G), specifically designed for monitoring the flow of conductive liquids. With no moving parts or flow-restricting components, it completely eliminates pressure loss. Additionally, through the dual innovations of battery power supply and wireless transmission, it addresses industry pain points such as the difficulty of wiring in high-risk areas and the challenge of power supply in underground pipelines, providing a fully maintenance-free metering solution for water and corrosive media across all scenarios.

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Smart turbine flow meter

Product Advantages
1. True zero pressure loss design: Full bore measurement, 100% obstruction-free, completely eliminates energy loss, and reduces pumping costs by 15%+.
2. Wireless Freedom: Saves 90% on wiring costs, eliminates installation risks in explosive zones, and boosts deployment efficiency in underground utility tunnels by 300%.
3. Intelligent Interference Resistance: Adaptive electrode technology + digital signal filtering, resists bubble/solid particle interference, with accuracy up to ±0.5% RD.
4. Ultra-long Lifespan: Battery-powered for 8–10 years* (with 4 daily reports), IP68 submersible protection, and lifetime maintenance-free lining/electrodes.
5. Full Ecosystem Interconnectivity: Direct data integration with smart water management/SCADA platforms, API compatibility, and automatic generation of ISO 50001 energy efficiency reports.

Core Application Areas
✅ Water Management and Environmental Protection: Municipal water supply networks, wastewater discharge metering, real-time monitoring of water conservancy irrigation.
✅ Chemical and Pharmaceutical Industries: Process flow control for strong acid/alkali solutions, slurries, and corrosive media (optional PTFE/PFA lining).
✅ Food and Beverage: Batch measurement of sanitary-grade fluids such as juices, dairy products, and syrups (compliant with 3A/EHEDG certification).
✅ Mining and Metallurgy: Measurement of high-wear media such as slurry, mud, and cooling circulating water.
✅ Energy Systems: Measurement of cooling water for power plants, boiler feedwater, and heat/cold mediums for distributed energy stations.

Pain point solver: inability to lay cables in underground pipelines, cable damage in highly corrosive environments, and high costs for safety upgrades in explosion-proof zones.

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