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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

Wireless tuning fork density meter

Frequency recognition · Wireless control · Online insight into fluid density

The wireless tuning fork density meter uses a vibration-based principle and integrates industrial-grade wireless communication modules (LoRaWAN/NB-IoT/4G) to measure the density and temperature of fluids in real time through changes in the resonant frequency of a precision tuning fork. Constructed from 316L stainless steel in a monolithic design with no moving parts and no nuclear source risks, it combines ultra-low power wireless technology with IP68 protection to completely resolve the challenges of online density monitoring in corrosive and high-viscosity media within hazardous areas and remote locations. This provides maintenance-free real-time data support for process control and product quality assurance.

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Product Advantages
1. Online Real-Time Precision: Real-time continuous measurement with density accuracy of ±0.001 g/cm³ and temperature accuracy of ±0.5°C, replacing outdated manual testing methods and improving quality control efficiency by 90%.
2. Wireless Safety and Convenience: No power supply or signal cables required, saving over 85% in installation costs. Deployment in explosion-proof zones (Ex ia IIC T6) does not require safety barriers, eliminating renovation risks.
3. Durable and Maintenance-Free: No moving parts, resistant to impact and wear, self-cleaning design prevents material buildup, IP68 protection, lifespan of over 10 years, and extremely low maintenance costs.
4. Intelligent Diagnostic Alarms: Built-in self-diagnostic functionality, real-time monitoring of sensor health and medium abnormalities (such as empty pipes or bubbles), automatically triggers warnings to prevent measurement errors.
5. Seamless system integration: Data is transmitted directly to DCS/PLC/MES systems via a wireless gateway, supporting protocols such as Modbus and MQTT, to facilitate the construction of a smart manufacturing data platform.

Core Application Areas
✅ Petrochemicals: Crude oil density grading, finished oil blending concentration control, and solvent concentration online monitoring.
✅ Food and Beverage: Syrup, juice, and dairy product concentration measurement (3A sanitary certification), ensuring product consistency.
✅ Chemical and Pharmaceutical: Acid-base solution concentration detection, reaction endpoint determination (e.g., sulfuric acid, caustic soda), and pharmaceutical solution ratio control.
✅ Environmental Protection and Water Treatment: Sludge concentration monitoring, wastewater solids content measurement, and chemical addition concentration management.
✅ Energy and Materials: Ethanol content analysis in gasoline, slurry density measurement, and electrolyte concentration control in batteries.

Addressing industry pain points:
✦ Delays in manual sampling and testing ✦ High wiring costs in hazardous areas ✦ Safety and regulatory risks associated with nuclear density meters ✦ Blockage of traditional instruments by high-viscosity media

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