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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

YLMW400 Wireless magnetostrictive level gauge

Micron-level accuracy · Multi-dimensional sensing · Flagship fully wireless liquid level monitoring

Wireless Magnetostrictive Level Gauge utilizes magnetostrictive waveguide technology combined with industrial IoT architecture (LoRaWAN/NB-IoT/4G) to achieve high-precision simultaneous measurement of three parameters: liquid level, interface, and temperature. By disturbing the waveguide tube with a magnetic float to generate torsional stress waves, it captures liquid level changes with 0.05% FS-level accuracy, completely eliminating mechanical transmission errors. The dual innovations of battery power supply and wireless transmission provide a maintenance-free, metering-grade monitoring solution for high-end applications such as petrochemicals and LNG.

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Product Advantages
1. Metrology-grade accuracy: ±0.05% FS with micron-level resolution, capable of detecting liquid level fluctuations as small as 0.1mm, eliminating trade disputes.
2. Three-parameter simultaneous measurement: Single instrument simultaneously outputs liquid level + interface + temperature (accuracy ±0.5°C), reducing overall costs by 40%.
3. Fully wireless and maintenance-free: Battery life of over 8 years (with 4 daily reports), IP68 protection, no calibration required for life (temperature drift <0.001%/°C).
4. Full adaptability from deep cold to high temperature: Operates in a wide temperature range of -196°C to 200°C (deep cold type reaches -269°C), resistant to condensation and boiling disturbances.
5. Intelligent diagnostic cloud platform: Magnetic float adhesion warning, density anomaly analysis, leakage trend estimation, reducing fault downtime by 90%.

Core Application Areas
✅ Petrochemical Distillation Towers: Crude oil separation interface monitoring (oil/water/emulsion layer), pressure reactor liquid level control.
✅ LNG Storage and Transportation: Precise measurement of deep-cold media (-196°C) liquid levels, supporting trade transfer certification (OIML R85).
✅ Chemical Intermediate Tanks: Simultaneous level/density analysis of highly corrosive media (hydrofluoric acid, caustic soda).
✅ New Energy Materials: Clean-grade measurement for lithium-ion battery electrolyte storage tanks and high-purity solvent tanks (316L/Alloy C276 material).
✅ Large floating roof tanks: Multi-point wireless networking for tanks over 10,000 m³, eliminating measurement errors caused by temperature gradients.

Addressing pain points in high-value medium monitoring:
✦ Safety risks associated with manual gauging ✦ False liquid levels caused by density stratification ✦ Trade handover disputes ✦ Sensor failure in high-temperature/cryogenic conditions

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