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Key Technical Specifications
- Product Model: OPTIFLUX 4300W with IFC 300W
- Manufacturer: KROHNE
- Measurement Principle: Electromagnetic (Faraday’s Law)
- Nominal Diameter (DN): DN 2.5…3000 mm (⅒…120″)
- Process Temperature: -40…+180°C (-40…+356°F)
- Process Pressure: Up to 40 bar (580 psig), higher on request
- Accuracy: ±0.2% of measured value or ±1 mm/s
- Turn Down Ratio: 1000:1
- Liner Materials: PFA, PTFE, ETFE, Hard Rubber, Soft Rubber, PU
- Communication: 4…20 mA, HART, Modbus, Profibus-PA/DP, PROFINET, FOUNDATION Fieldbus
Core Performance and Selection Advantages
The KROHNE OPTIFLUX 4300W, equipped with the IFC 300W signal converter, represents a high-end solution for demanding flow measurement tasks. Its primary performance advantage lies in its high accuracy of ±0.2% of the measured value, which is essential for fiscal metering and custody transfer applications. The device features a wide dynamic range of 1000:1, allowing for accurate measurement from very low to very high flow rates without the need for range switching. This is particularly beneficial in applications with significant flow variations.
A key functional highlight is its advanced diagnostic package, which includes NE 107-compliant status signals. The IFC 300W converter can monitor electrode coating, detect gas bubbles, and check for empty pipe conditions, providing early warnings of potential process issues or measurement errors. This proactive maintenance capability reduces unplanned downtime. For cost efficiency, the device often features a “Virtual Reference Grounding” method, which eliminates the need for expensive grounding rings in many applications, reducing installation time and material costs. The robust design, suitable for aggressive and abrasive media with up to 70% solid content, ensures a long service life and low total cost of ownership.
OPTIFLUX4300W IFC300W KROHNE
System Integration and Extensibility
The OPTIFLUX 4300W is designed for seamless integration into modern industrial automation systems. The IFC 300W converter supports a wide array of communication protocols, including HART, Modbus RTU, Profibus-PA/DP, PROFINET, and FOUNDATION Fieldbus. This flexibility allows it to connect directly to PLCs, DCS systems, and asset management software without the need for additional gateways. The device is configurable via the local display and keypad on the converter, or remotely using KROHNE’s PACTware DTM or HART communicators.
In terms of networking, the flowmeter provides not only process values but also diagnostic data that can be used for predictive maintenance strategies. The OPC UA capability (if configured) facilitates data exchange with MES and cloud platforms for advanced analytics. The modular design of the OPTIFLUX series allows for various installation options; the “W” version (wall-mount) of the IFC 300 converter is ideal for locations where the sensor is installed in a pit or hard-to-reach area, while the electronics are mounted on a nearby wall for easy access. The system is highly extensible, with options for bi-directional flow measurement, external verification via the OPTICHECK service tool, and custom calibrations for specific media or process conditions.
