DANFOSS 084B7067 Level Controller Ekc EKC-347

( Brand: Danfoss ), ( Manufacturer Part Number: 084B7067 ), ( Model: EKC-347 ), ( Part Type: Controller )

Review DANFOSS Liquid Level Controller Ekc 347

The **Danfoss EKC 347 Level Controller (Part No. 084B7067)** is a high-performance, versatile instrument designed to provide precise and reliable level monitoring and control in a wide range of industrial applications. Part of Danfoss s renowned EKC series, this controller is engineered to deliver exceptional accuracy, durability, and flexibility, making it an ideal solution for processes where consistent liquid or solid level management is critical. Built with a robust stainless steel housing and a rugged, IP65-rated enclosure, the EKC 347 is well-suited for demanding environments, including food and beverage processing, chemical manufacturing, water treatment, and pharmaceutical production, where hygiene, corrosion resistance, and long-term reliability are paramount.

At its core, the EKC 347 employs Danfoss s advanced **capacitive sensing technology**, which ensures accurate and non-contact level detection without the need for moving parts or mechanical probes. This design eliminates the risk of clogging, fouling, or mechanical wear, while also providing a high degree of chemical compatibility across a broad spectrum of substances, from aggressive acids and alkalis to viscous slurries and powders. The controller features a **dual-channel configuration**, allowing it to monitor two independent level points simultaneously such as high and low limits with adjustable hysteresis to prevent erratic switching and ensure smooth operation. This dual-channel capability enhances process stability and reduces the need for additional instrumentation, streamlining system design and lowering overall costs.

The EKC 347 is equipped with a **user-friendly, backlit LCD display** that clearly communicates real-time level status, setpoints, and diagnostic information, making it easy to configure, monitor, and troubleshoot on-site. The controller s intuitive menu system allows for quick adjustments of parameters such as alarm thresholds, output types (e.g., relay, analog, or pulse), and communication protocols, including **Modbus RTU** for seamless integration with PLCs, SCADA systems, or other industrial networks. This level of connectivity ensures seamless data logging, remote monitoring, and automated control, enabling operators to optimize efficiency and maintain compliance with industry standards.

For applications requiring enhanced safety and redundancy, the EKC 347 offers **fail-safe configurations**, including normally open or normally closed relay outputs, as well as configurable alarm outputs for critical level deviations. The controller s **wide operating temperature range** (from -20 C to 60 C) and **broad voltage compatibility** (12 240V AC/DC) further expand its versatility, allowing it to operate reliably in diverse climatic and electrical conditions. Additionally, its **compact and modular design** facilitates easy installation in tight spaces, whether mounted on a panel, integrated into a tank, or used in conjunction with other Danfoss sensors for comprehensive process control.

Beyond its technical specifications, the EKC 347 stands out for its **low maintenance requirements and long service life**, thanks to its sealed electronics and corrosion-resistant materials. Danfoss s reputation for quality engineering ensures that this level controller delivers consistent performance over extended periods, reducing downtime and maintenance costs. Whether used in a batch processing system, continuous production line, or critical storage tank, the EKC 347 provides the precision, reliability, and adaptability needed to maintain optimal process control in even the most challenging industrial settings. With its blend of advanced sensing technology, robust construction, and intuitive functionality, it is a trusted choice for engineers and operators seeking a dependable solution for level monitoring and automation.

The Danfoss EKC 347 is a level controller designed for monitoring and controlling liquid levels in tanks, vessels, or other storage systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Danfoss EKC 347 Level Controller**

1. **High Reliability and Durability**

The EKC 347 is built with robust components, including a sealed enclosure (typically IP65 or higher) and corrosion-resistant materials, making it suitable for harsh industrial environments. It is designed to withstand temperature fluctuations, moisture, and dust, ensuring long-term operation without frequent failures.

2. **Precise and Adjustable Control**

The controller offers configurable setpoints for high, low, and alarm limits, allowing for fine-tuned level management. It supports both analog and digital outputs (e.g., 4-20 mA, relay, or pulse), making it versatile for different automation systems. The adjustable hysteresis prevents unnecessary switching, improving system stability.

3. **Wide Range of Sensors and Mounting Options**

- **Capacitive sensors** (for liquids and solids)

- **Float switches** (for simple on/off control)

- **Radar or ultrasonic sensors** (via external interfaces)

This flexibility allows it to be adapted to different tank types and applications, from small storage vessels to large industrial tanks.

4. **Local and Remote Monitoring**

The unit features a front-panel display with LED indicators for real-time level status (high, low, alarm). Some models also support communication protocols like **Modbus RTU** or **HART**, enabling integration with SCADA systems or PLCs for centralized monitoring and control.

5. **Low Maintenance Requirements**

Due to its sealed design and minimal moving parts (depending on the sensor configuration), the EKC 347 requires minimal maintenance. This reduces downtime and operational costs over its lifespan.

6. **Energy Efficiency**

The controller is designed to optimize pump or valve operation by ensuring levels are maintained within desired limits, reducing unnecessary energy consumption (e.g., avoiding overfilling or draining).

7. **Safety Features**

It includes built-in alarm outputs to alert operators of critical level conditions (e.g., overflow or empty tank), helping prevent equipment damage or safety hazards.

8. **Compatibility with Danfoss Ecosystem**

If you already use other Danfoss products (e.g., pumps, valves, or motor controls), the EKC 347 integrates seamlessly with their systems, simplifying installation and troubleshooting.

9. **Cost-Effective for Mid-Range Applications**

While not the most advanced level control system (e.g., compared to radar-based solutions), the EKC 347 offers a balanced combination of performance and price, making it suitable for many industrial, commercial, and municipal applications.

10. **Easy Installation and Calibration**

The controller is designed for straightforward setup, with clear instructions for wiring and configuration. Calibration is typically simple, often requiring only adjustments to the sensor or setpoint values.

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### **Cons of the Danfoss EKC 347 Level Controller**

1. **Limited to Specific Sensor Types**

The EKC 347 is primarily designed to work with **Danfoss or compatible capacitive sensors** (e.g., 084B series) or float switches. If you need to use non-capacitive sensors (e.g., radar, ultrasonic, or pressure-based), you may require additional interfaces or converters, adding complexity and cost.

2. **No Built-In Wireless Connectivity**

Unlike some modern controllers, the EKC 347 does not support wireless communication (e.g., Wi-Fi, Bluetooth, or LoRa). This can be a limitation for applications requiring remote monitoring without wired connections.

3. **Basic Display and User Interface**

The front-panel display is simple, showing only basic status indicators. Advanced features like trending, historical data logging, or graphical interfaces require third-party software integration (e.g., via Modbus), which may not be available in all setups.

4. **Potential Sensor Drift Over Time**

Capacitive sensors, while reliable, can experience drift due to contamination (e.g., buildup of solids or chemicals) or material changes in the stored liquid. This may require periodic recalibration or sensor replacement.

5. **Limited to Liquid Applications**

While the EKC 347 can monitor solids (e.g., in bulk material storage), its performance may not be as precise as dedicated solid-level sensors (e.g., load cells or vibrating fork sensors). For granular or powdered materials, other solutions may be more appropriate.

6. **No Built-In Redundancy or Fail-Safe Modes**

In critical applications (e.g., chemical storage or water treatment), a single-point failure could lead to system shutdowns. The EKC 347 lacks built-in redundancy features, so additional safeguards (e.g., secondary sensors) may be needed.

7. **Dependence on Proper Installation**

Misalignment or improper mounting of the sensor can lead to inaccurate readings. Unlike radar or ultrasonic sensors, capacitive sensors require precise positioning relative to the tank walls or contents.

8. **Limited Customization for Advanced Applications**

For highly specialized applications (e.g., slurry monitoring, high-viscosity liquids, or aggressive chemicals), the EKC 347 may not offer the advanced features (e.g., adaptive algorithms, multi-sensor fusion) found in premium controllers.

9. **Potential Compatibility Issues with Non-Danfoss Systems**

While the EKC 347 supports Modbus, some older or proprietary systems may not integrate smoothly, requiring additional gateways or converters.

10. **Higher Initial Cost for Basic Functionality**

Compared to simple float switches or mechanical level indicators, the EKC 347 offers more features but may be overkill for very basic applications where a lower-cost solution would suffice.

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### **Conclusion**

The Danfoss EKC 347 is a **reliable, versatile, and cost-effective** level controller suited for a wide range of industrial and commercial applications, particularly where **capacitive or float-based sensing** is appropriate. Its strengths lie in its **durability, adjustability, and compatibility with Danfoss systems**, making it a solid choice for mid-range level control needs. However, it may not be ideal for **highly specialized, wireless, or solid-only applications**, nor does it offer the advanced features of premium controllers.

- **Liquid storage tanks** (water, chemicals, fuels, etc.)

- **Industrial processes** requiring precise level management

- **Applications where Modbus or relay outputs are needed**

- **Environments with harsh conditions** (high humidity, dust, temperature variations)

- **Wireless or IoT-enabled monitoring** (requires additional hardware)

- **Highly corrosive or abrasive solids** (consider alternative sensors)

- **Budget-sensitive applications** where a float switch would suffice

- **Applications requiring advanced data analytics or cloud integration**

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### **Recommendation**

- You need a **reliable, adjustable level controller** for liquid applications.

- Your system already uses **Danfoss sensors or compatible capacitive/float switches**.

- You require **Modbus or relay outputs** for integration with PLCs or SCADA.

- Your environment is **industrial-grade** with exposure to dust, moisture, or temperature fluctuations.

- You prioritize **low maintenance and long-term durability**.

- You need **wireless or cloud-based monitoring** (e.g., Danfoss ECL or third-party IoT-enabled controllers).

- Your application involves **highly abrasive solids** (e.g., bulk materials), where a **vibrating fork or load cell sensor** would be better.

- You require **advanced features** like adaptive learning, multi-sensor fusion, or historical data logging (e.g., Danfoss ECL or Siemens SITRANS).

- Your budget is tight, and a **simpler float switch or mechanical indicator** could meet your needs.

The Danfoss EKC 347 is a **strong, practical choice** for most industrial level control applications where its strengths align with your requirements. Ensure compatibility with your sensors and system integration needs before purchasing, and consider pairing it with Danfoss s support resources for optimal performance.

Details:

Item is sold as. Danfoss Liquid level controller.

part #: 084b7067 prices

• $499.00-$959.00

specifications generapneumati:

• brand: Danfoss
• mpn: 084b7067
• model: Ekc-347
• part type: Controller

general generapneumati:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics

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• city: Peoria, Illinois
• # reviews: 19
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offer generapneumati:

• started: February 23, 2026
• quantity: 1
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• sold: 0

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