VU 570 | CS Instruments Vortex Ultrasonic Meter: Precision Flow Measurement for Technical and Mixed Gases
Introduction
The VU 570 by CS Instruments is a cutting-edge vortex ultrasonic flow meter engineered to deliver accurate and reliable flow measurements for a wide range of technical and mixed gases. Utilizing advanced ultrasonic technology, it ensures precision even in challenging industrial environments.
Key Features and Benefits
1. Versatile Measurement Capabilities
The VU 570 offers comprehensive measurement options, including:
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Standard Volume Flow (Nm³/h): For normalized gas conditions.
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Operating Volume Flow (m³/h): Reflecting actual operating conditions.
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Mass Flow (kg/h): Accounting for varying gas densities.
This versatility makes it suitable for applications in industries such as compressed air systems, CO₂ monitoring, and LPG distribution.
2. Adaptability to Changing Gas Compositions
Designed to handle unknown or fluctuating gas mixtures, the VU 570 maintains accuracy across a wide spectrum of gas types, including:
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Compressed air in PET bottle production.
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Carbon dioxide (CO₂).
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Liquefied petroleum gas (LPG).
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Propane.
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Krypton.
This adaptability ensures consistent performance even when gas compositions change over time.
3. Robust and Maintenance-Free Design
Featuring a robust aluminum housing and stainless steel wetted parts, the VU 570 is built to withstand harsh industrial conditions. Its design eliminates moving parts, reducing wear and tear and minimizing maintenance requirements.
4. Integrated Pressure and Temperature Compensation
The VU 570 incorporates built-in pressure and temperature compensation, allowing for accurate flow measurements regardless of environmental fluctuations. This feature is particularly beneficial in applications where conditions are subject to rapid changes.
5. Wide Measurement Range
With a measuring range from 0.3 m/s to 30 m/s, the VU 570 is capable of accurately measuring both low and high flow velocities. This broad range enhances its applicability across various industrial processes.
Technical Specifications
| Feature | Specification |
|---|---|
| Measuring Principle | Vortex ultrasonic (vortex frequency) |
| Accuracy | ±1.5% of measured value (optional ±1%) |
| Process Temperature | -40°C to +100°C |
| Process Pressure | Up to 40 bar (580 psi) |
| Protection Class | IP67 |
| Material (Measuring Section) | Stainless steel 316 |
| Signal Outputs | RS 485 (Modbus RTU), 4-20 mA, Pulse |
| Power Supply | 18–36 VDC |
| Process Connections | Flange DIN EN1092-1, ANSI 150/300 lbs, BSP, NPT |
| Measuring Span | 1:50 |
| Repeatability | ±0.3% of measured value |
Applications
The VU 570 is ideal for a variety of applications, including:
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Compressed Air Systems: Monitoring and optimizing compressed air usage in industrial settings.
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CO₂ Monitoring: Ensuring accurate measurement of CO₂ in various processes.
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LPG Distribution: Measuring and managing LPG flow in distribution networks.
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Propane Applications: Accurate flow measurement for propane in industrial applications.
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Krypton Usage: Monitoring krypton flow in specialized industrial processes.
FAQs
Q1: What is the VU 570’s primary application?
A1: The VU 570 is primarily used for precise flow measurement of technical and mixed gases in various industrial applications.
Q2: Does the VU 570 require regular maintenance?
A2: No, the VU 570’s design eliminates moving parts, reducing wear and minimizing maintenance needs.
Q3: Can the VU 570 handle varying gas compositions?
A3: Yes, the VU 570 is designed to accurately measure flow in gases with unknown or changing compositions.
Q4: What is the measuring range of the VU 570?
A4: The VU 570 measures flow velocities from 0.3 m/s to 30 m/s.
Q5: Is the VU 570 suitable for outdoor installations?
A5: Yes, with an IP67 protection class, the VU 570 is suitable for outdoor installations in harsh environments.
Conclusion
The VU 570 by CS Instruments stands out as a versatile, reliable, and maintenance-free solution for precise flow measurement of technical and mixed gases. Its advanced features and robust design make it an excellent choice for industries seeking accurate and efficient gas flow monitoring.

