Product advantages
1. High-frequency small beam Angle: Beam Angle ≤4°, concentrated energy, effectively avoiding obstacles inside the tank, low installation requirements, and more stable and reliable measurement
2. Strong anti-interference ability: Excellent dust and steam penetration, adaptable to various harsh working conditions, avoiding false echoes, and ensuring high measurement reliability
3. Millimeter-level high precision: The measurement accuracy can reach ±1mm, meeting the requirements of trade settlement and precise process control
4. Non-contact measurement: No contact with the medium, maintenance-free operation, no wear or corrosion issues, and a long service life
5. Intelligent self-diagnosis: Real-time monitoring of antenna contamination and instrument faults, supporting remote debugging and diagnosis, reducing manual inspection
6. Wide applicability: Resistant to high temperature and high pressure (-196℃ to 200℃/4.0MPa), with complete explosion-proof certification, suitable for harsh environments
Core application fields
✅ Petrochemical industry: liquid level monitoring of crude oil storage tanks, asphalt tanks, reactors, and high-pressure separators
✅ Energy and power field: fly ash silo, desulfurization slurry tank, steam drum liquid level measurement
✅ Water treatment and environmental protection: liquid level and interface measurement of sewage tanks, sludge tanks, clarifiers and dosing tanks
✅ food and pharmaceuticals: fermentation tanks, milk storage tanks, pharmaceutical intermediate storage tanks (hygienic design)
✅ Metallurgy and mining: level monitoring of pulp tanks, thickeners, acid leaching tanks and tailings ponds
Technical Specifications
- Measurement Span: 0 to 20 meters
- Output: 4~20mA/HART (2 wires/4 wires)
- Accuracy: ±3mm
- Process Connection: Thread or Flanges
- Medium Temperature: 300mm~800mm
- Power supply: 24VDCor 85-265VAC
- Working temperature: -40~150°C
- Application: Liquid, Slurry, Condensation, Corrosive
Performance Parameters
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Measuring Technology: High-frequency FMCW (Frequency Modulated Continuous Wave) at 26GHz.
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Measuring Range: 0 to 20 meters. (This is the shortest range among the three models discussed).
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Measuring Accuracy: The technical specifications table lists ±3mm. (However, the product advantages text mentions it can reach ±1mm, which would be exceptionally high).
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Beam Angle: ≤4° (typical), ensuring focused energy and strong resistance to interference from obstacles.
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Key Advantage: Designed for extremely wide temperature and pressure resistance, handling -196°C to +200°C and 4.0MPa, similar to the A2 model.
Installation & Adaptability
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Process Connection: Offers flexible options with thread or flange connections to suit various tank nozzles.
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Installation Advantage: The narrow beam angle (≤4°) simplifies installation by allowing it to be easily placed to avoid internal obstacles like ladders or mixers.
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Non-Contact Design: The sensor does not contact the medium, making it ideal for liquids, slurry, corrosive, or condensing applications, and truly maintenance-free.
Environmental Adaptability
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Medium & Working Temperature: Supports a wide operating temperature range from -40°C to +150°C, with the medium capable of withstanding -196°C to +200°C.
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Pressure Resistance: Designed to withstand high process pressure up to 4.0 MPa.
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Anti-Interference: Excellent penetration through dust and vapor, with intelligent signal processing to reject false echoes in complex conditions.
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Intelligent Self-Diagnosis: Features real-time monitoring of antenna contamination and instrument faults, supporting remote debugging.
Data & Communication
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Output Signal: Standard 4-20mA analog signal with integrated HART protocol (available in 2-wire or 4-wire versions).
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Power Supply: Accepts either 24VDC or 85-265VAC, offering flexibility for different site power availability.
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Intelligent Features: Supports remote diagnostics, debugging, and parameter settings, reducing the need for manual on-site intervention.
Certifications & Services
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Certifications: Holds “complete explosion-proof certification” suitable for harsh environments, though the specific rating code is not listed on this page.
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Customization: The manufacturer (Yunyi) provides OEM, ODM, and custom design services to tailor the transmitter for specific industrial needs.
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Application Versatility: Core applications span petrochemical, energy & power, water treatment, food & pharma, and metallurgy & mining, highlighting its ruggedness for heavy industry.
