Description

Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter 7ML54260AA000AA0

• Extended Product  Type: Level Transmitter
• Product ID: 7ML5426-0AA00-0AA0
• ABB Type Designation: Level Transmitter

Description of Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter

The Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter is a high-performance, non-contact level measurement device engineered for precise and reliable monitoring of liquids and solids in industrial environments. Part of Siemens’ advanced radar instrumentation portfolio, this transmitter uses cutting-edge microwave technology to deliver accurate level readings regardless of process conditions.

Designed for harsh and demanding applications, the transmitter ensures stable performance in environments with dust, vapor, turbulence, or temperature fluctuations. Its non-contact radar technology eliminates mechanical wear, making it a low-maintenance and long-life solution for continuous level measurement.

With easy integration into PLC, DCS, and SCADA systems, the Siemens 7ML5426-0AA00-0AA0 is ideal for industries requiring high accuracy, operational efficiency, and process safety. Its robust construction and advanced signal processing capabilities make it a preferred choice for modern industrial automation systems.

Technical Specifications of Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter

Parameter	Specification
Model Number	7ML5426-0AA00-0AA0
Measurement Principle	Non-contact radar (microwave)
Measuring Range	Up to 20–30 meters (application dependent)
Output Signal	4–20 mA (HART protocol)
Accuracy	±2–5 mm (typical)
Process Temperature Range	-40°C to +80°C (typical)
Process Pressure Range	Vacuum to moderate pressure conditions
Power Supply	12–30 V DC
Frequency Range	High-frequency radar (approx. 26 GHz typical)
Enclosure Rating	IP67 / NEMA 4X
Housing Material	Industrial-grade aluminum or plastic
Process Connection	Threaded or flange (model dependent)
Display / Interface	Optional local display / remote configuration
Communication Protocol	HART compatible
Installation Type	Top-mounted, non-contact
Maintenance Requirement	Minimal (no moving parts)

Key Features of Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter

• Non-contact radar technology for wear-free operation
• High measurement accuracy even in harsh environments
• Insensitive to dust, vapor, and temperature changes
• Advanced signal processing for stable readings
• Low maintenance design with no moving components
• Seamless integration with PLC, DCS, and SCADA systems
• Compact and rugged housing for industrial use
• HART communication for remote diagnostics and configuration
• Quick and simple installation

Applications of Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter

The Siemens 7ML5426-0AA00-0AA0 Radar Level Transmitter is widely used across multiple industries due to its versatility and reliability:

1. Water & Wastewater Treatment

• Tank level monitoring
• Reservoir and basin measurement
• Sludge level control

2. Chemical & Petrochemical

• Corrosive liquid storage tanks
• Process vessels with vapor or fumes
• Hazardous environments requiring non-contact measurement

3. Food & Beverage Industry

• Hygienic liquid level monitoring
• Storage tank management

4. Oil & Gas

• Crude oil storage tanks
• Fuel and chemical storage monitoring

5. Cement & Bulk Solids

• Powder and granular material measurement
• Silos and storage bins

6. Power & Energy

• Cooling water systems
• Fuel storage tanks

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Frequently Asked Questions (FAQ)

1. What is the main advantage of a radar level transmitter over ultrasonic sensors?

Radar transmitters, like the Siemens 7ML5426-0AA00-0AA0, are not affected by temperature, pressure, dust, or vapor, making them significantly more reliable in harsh industrial environments.

2. Can this transmitter measure both liquids and solids?

Yes, it is designed to measure both liquid and bulk solid levels, making it highly versatile across industries.

3. Is the device suitable for outdoor installation?

Yes, with an IP67/NEMA 4X enclosure, it is resistant to dust, water, and harsh environmental conditions.

4. Does it require regular maintenance?

No. Its non-contact design means there are no moving parts, resulting in minimal maintenance requirements.

5. What systems can it integrate with?

It can easily integrate with PLC, DCS, and SCADA systems using a 4–20 mA signal with HART communication.

6. How accurate is the Siemens radar level transmitter?

It offers high precision with typical accuracy in the millimeter range, ensuring reliable level monitoring.