The Krohne OPTISWIRL 4070 Vortex Flowmeter is a state-of-the-art multivariable instrument designed for accurate measurement of volumetric and mass flow in steam, gases, and liquids. Utilizing the vortex shedding principle with an integrated pressure and temperature sensor, it provides simultaneous measurement of flow, pressure, and temperature in a single device, eliminating the need for multiple instruments. With a robust construction and advanced signal processing, the OPTISWIRL 4070 ensures reliable performance in high-temperature and high-pressure applications, making it ideal for power generation, chemical processing, and oil and gas industries. Its HART and FOUNDATION Fieldbus communication enables seamless integration for enhanced process efficiency.
| Parameter | Specification |
|---|---|
| Measuring Principle | Vortex Shedding |
| Flow Velocity Range | 0.5–10 m/s (gas/steam), 0.3–7 m/s (liquid) |
| Accuracy | ±1% of reading for volumetric flow |
| Size Range | DN25 to DN300 (1" to 12") |
| Pressure Range | Up to 100 bar (1450 psi) |
| Temperature Range | -200°C to +450°C (-328°F to +842°F) |
| Output Signals | 4–20 mA HART, FOUNDATION Fieldbus, Profibus PA |
| Power Supply | 10.5–45 VDC |
| Enclosure Rating | IP66/IP67 |
| Certifications | ATEX, IECEx, SIL 2 |
The Krohne OPTISWIRL 4070 Vortex Flowmeter is suited for multivariable flow measurement in industrial processes:
Integrated sensors for flow, pressure, and temperature provide simultaneous data for mass flow calculation.
Yes, it handles up to 450°C for superheated steam applications.
±1% of reading, with options for higher precision.
Yes, certified for ATEX and IECEx in explosive environments.
Minimal: 10D upstream, 5D downstream for standard installations.
For more information about the Krohne OPTISWIRL 4070 Vortex Flowmeter, pricing, or to request a demo, contact our team:
