Endress+Hauser CUS52D-AA1AA3 Ultrasonic Level Sensor Reliable Continuous Measurement

The Endress+Hauser CUS52D-AA1AA3 is a robust, two-wire, 26 GHz radar level transmitter designed for continuous, non-contact level measurement of liquids and slurries in demanding industrial environments. Part of the versatile Micropilot FMR50 series, this compact sensor delivers exceptional reliability and accuracy in tanks, process vessels, and storage containers across industries such as water/wastewater, chemical, food & beverage, and power generation. Its non-contact measurement principle ensures maintenance-free operation without wear, making it an ideal solution for applications involving corrosive, adhesive, or turbulent media.

Technical Specifications

Manufacturer & Model: Endress+Hauser CUS52D-AA1AA3

Technology: 26 GHz Frequency Modulated Continuous Wave (FMCW) radar

Frequency: 26 GHz (K-Band)

Measuring Range: Up to 20 meters (66 feet)

Process Connection: Thread G1½ A / 1½" NPT

Antenna Type: Cone antenna, PTFE (Teflon) seal

Process Temperature: -40 to 130 °C (-40 to 266 °F)

Process Pressure: -1 to 16 bar (-14.5 to 232 psi)

Accuracy: Typically ± 3 mm

Signal Output: 4...20 mA HART, two-wire

Power Supply: 12...30 V DC (standard two-wire loop)

Housing Protection: IP66 / IP67 / NEMA 4X

Safety Certifications: ATEX, IECEx, FM, CSA approvals for hazardous areas (depends on variant)

Key Features & Advantages

1. Superior Measurement Performance in Challenging Conditions

Operating at 26 GHz, the CUS52D features a focused radar beam, enabling precise measurement even in vessels with internal obstacles, heavy condensation, or buildup on the antenna. Its excellent signal dynamics handle low dielectric media and turbulent surfaces with ease.

2. Compact, Rugged, and Easy to Install

The compact design allows for flexible installation in tight spaces, including short nozzle applications. The robust housing and PTFE-sealed cone antenna ensure long-term durability against aggressive process conditions, steam, and dust.

3. Simplified Setup and Operation

Featuring intuitive setup via the simple three-button Quick Start Wizard or the free Endress+Hauser "SmartBlue" smartphone app, commissioning is fast and error-free. Heartbeat Technology provides continuous self-diagnostics and process condition monitoring, enhancing operational reliability.

4. Unmatched Reliability & Reduced Lifetime Costs

As a non-contact instrument, it eliminates maintenance associated with wear parts found in float or pressure-based systems. Its robust design and proven technology ensure long service life, minimizing downtime and total cost of ownership (TCO).

Why Choose the Endress+Hauser CUS52D-AA1AA3?

This radar level transmitter sets the standard for reliable continuous level measurement where other technologies fail. It delivers precise data for process control, inventory management, and overfill prevention. Whether measuring water, chemicals, oils, or complex slurries, the CUS52D-AA1AA3 provides a future-proof solution that enhances process efficiency and safety.

Available for Your Critical Applications

We stock the genuine Endress+Hauser CUS52D-AA1AA3 to ensure fast availability for your projects and maintenance needs. Ensure optimal process performance and reliability with this industry-leading radar level sensor.

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