Description
The KROHNE OPTIFLUX 4300 W IFC 300 W represents a complete, integrated electromagnetic flowmeter solution, expertly combining a robust sensor with a sophisticated transmitter. The OPTIFLUX 4300 W is a water-specialized electromagnetic flow sensor, engineered for highly accurate and reliable volumetric flow measurement of conductive liquids, particularly water, drinking water, and water-based solutions. It is designed with a focus on durability and ease of installation, often featuring a lining and electrode material selection optimized for the water industry. When paired with the IFC 300 W signal converter, this system transforms into a powerful metering device. The IFC 300 W is the intelligent brain of the setup, responsible for powering the sensor, processing the raw flow signal, and providing standardized output, totalization, and diagnostic information.
This combination, the KROHNE OPTIFLUX 4300 W IFC 300 W, is a cornerstone in applications where cost-effectiveness, long-term stability, and minimal maintenance are critical. The IFC 300 W converter is known for its user-friendly interface and versatile functionality, supporting various output signals and communication protocols to seamlessly integrate into modern control systems like PLCs or SCADA. The synergy between the sensor and the converter ensures that the entire KROHNE OPTIFLUX 4300 W IFC 300 W system delivers consistent performance, making it a trusted choice for utilities and industries worldwide for custody transfer, process control, and monitoring of water flow.

OPTIFLUX4300W IFC300W KROHNE
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | OPTIFLUX 4300 W with IFC 300 W |
| Manufacturer | KROHNE |
| Product Type | Integrated Electromagnetic Flowmeter System (Sensor + Converter) |
| Sensor Line Size | Typically covers a range from DN 15 to DN 1200 (½” to 48″) |
| Measuring Range | Up to 10 m/s flow velocity, adjustable range |
| Accuracy | ±0.5% of measured value or better (standard) |
| Electrode Material | Standard: Stainless Steel 1.4435 (316L); other options available |
| Lining Material | Standard: Hard Rubber; other options like PTFE/PFA available |
| Process Pressure Rating | PN 16 / 232 psi standard, higher ratings available |
| Process Temperature | Up to 60°C / 140°F (with hard rubber lining) |
| Converter Outputs | 1x pulse/switch output, 1x active 4…20 mA output, 1x passive 4…20 mA output |
| Communication | Optional: HART, PROFIBUS DP, PROFIBUS PA, MODBUS |
| Power Supply | 100…240 V AC, 50/60 Hz or 20…55 V DC |
| Protection Class | Sensor: IP67 / IP68 (submersible), Converter: IP67 |
Main Features and Advantages
The KROHNE OPTIFLUX 4300 W IFC 300 W system is defined by its robust design and user-centric features that guarantee operational excellence. A key advantage is its exceptional measurement stability and high accuracy, which is largely attributed to KROHNE’s field-proven, optimized magnetic field technology. This technology minimizes the influence of flow profile distortions, reducing the need for long upstream and downstream straight pipe runs and simplifying installation. The system maintains its calibration over time, ensuring reliable data for billing (custody transfer) and process optimization.
Robustness and Low Maintenance: The OPTIFLUX 4300 W sensor is built for longevity in water applications. Its choice of liner and electrode materials, such as hard rubber and stainless steel, provides excellent resistance to abrasion and corrosion commonly found in water and wastewater. The “Empty Pipe Detection” feature is a significant benefit, allowing the KROHNE OPTIFLUX 4300 W IFC 300 W to detect when the pipe is not full and can be configured to ignore or signal this condition, preventing measurement errors. Furthermore, the system is designed with no moving parts, eliminating mechanical wear and the need for associated maintenance, which drastically reduces the total cost of ownership.
Flexibility and Easy Operation: The IFC 300 W converter offers remarkable flexibility. It can be mounted directly onto the sensor (compact version) or remotely on a wall or pipe (remote version), adapting to various installation constraints. Its intuitive local operation interface (LOI) with a plain text display makes configuration, calibration, and troubleshooting straightforward, requiring minimal training. The availability of multiple communication protocols allows the KROHNE OPTIFLUX 4300 W IFC 300 W to fit into virtually any automation architecture, from simple analog loops to advanced digital fieldbus networks.
Application Field
The KROHNE OPTIFLUX 4300 W IFC 300 W is a versatile solution predominantly deployed across the entire water cycle and in general industrial processes involving water. Its reliability and accuracy make it a preferred choice for critical measurement points in water distribution and management.
In the Water and Wastewater sector, the KROHNE OPTIFLUX 4300 W IFC 300 W is extensively used for raw water intake, potable water distribution, leak detection networks, and for measuring influent and effluent at wastewater treatment plants. Its accuracy is trusted for fiscal metering and inter-company billing. In the Irrigation industry, this system provides reliable flow data for managing large-scale agricultural water distribution, ensuring efficient water usage.
Beyond utilities, the KROHNE OPTIFLUX 4300 W IFC 300 W finds strong application in General Industry, including Chemical and Pharmaceutical plants for measuring cooling water flow to heat exchangers and reactors, and in HVAC systems for monitoring chilled and hot water circuits in large commercial buildings. In the Power Generation industry, it is used for measuring service water, feedwater, and cooling water. In every application, the KROHNE OPTIFLUX 4300 W IFC 300 W solves the fundamental challenge of providing a dependable, maintenance-free flow measurement for conductive liquids, enabling efficient resource management, accurate process control, and reliable billing.

OPTIFLUX4300W IFC300W KROHNE
Related Products
KROHNE WATERFLUX 3070 W: An electromagnetic water meter designed specifically for the water industry, often used as an alternative for high-accuracy custody transfer.
KROHNE OPTIFLUX 5000 W: A more advanced electromagnetic flowmeter in the same family, offering higher performance for demanding applications.
KROHNE IFC 100 W: A more basic version of the converter, suitable for simpler applications where advanced features of the IFC 300 W are not required.
KROHNE OPTISWITCH 5200 C: A level switch, often used in conjunction with the OPTIFLUX 4300 W IFC 300 W for pump control or dry-running protection in sumps and tanks.
KROHNE SONOKIT 2.0: An ultrasonic clamp-on flowmeter, used as an alternative for temporary measurement or where inline installation of the OPTIFLUX 4300 W is not feasible.



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