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Siemens SITRANS Probe LU Ultrasonic Level Transmitter

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ManufacturerSiemens

Part number7ML5221-2CA14

Range 12 m (40 ft)

Transducer Material ETFE

Process Connection 2" NPT

Output 4-20mA HART

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Veteran-owned

CAGE: 9NK75

Continuous non-contact measurement Up to 12m range ETFE transducer 4-20mA HART output FM Class 1, Div 2 approval

Product description

The Siemens SITRANS Probe LU 7ML5221-2CA14 is a continuous, non-contact ultrasonic level transmitter designed for monitoring liquids and slurries. It features a 12-meter (40 ft) range with an ETFE transducer material and a 2" NPT process connection. The output is a 4-20mA HART signal, and it has approvals for FM Class 1, Div 2 hazardous locations.

This transmitter is ideal for applications in various industries, including chemical processing, water and wastewater treatment, food and beverage, and general industrial manufacturing. Its robust design and hazardous location approvals make it suitable for challenging environments where reliable level measurement is critical.

As a veteran-owned surplus parts distributor, Stanlo Automation offers a reliable source for hard-to-find industrial automation components like the Siemens 7ML5221-2CA14. We understand the importance of keeping your operations running smoothly and provide quality parts with excellent customer service.

Technical specifications

Range	12 m (40 ft)
Transducer Material	ETFE
Process Connection	2" NPT
Output	4-20mA HART
Enclosure/Cable Inlet	Plastic (PBT), 2 x 1/2" NPT
Approval	FM, Class 1, Div 2

Common applications

Chemical Processing

Water and Wastewater

Food and Beverage

Oil and Gas

General Manufacturing

Compatible systems

Compatible with standard HART communication systems.

Also known as

Siemens SITRANS Probe LU 7ML5221-2CA14 level transmitter

Replaces / compatible with

This part is in phase out and can be considered for replacement with the SITRANS Probe LU240 7ML51.

Technical note

Expert tip

Ensure proper installation to avoid false echoes, especially in applications with challenging tank geometries or agitators.

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Frequently asked questions

What are the key specifications of the Siemens 7ML5221-2CA14?

The Siemens 7ML5221-2CA14 is an ultrasonic level transmitter with a 12m range, ETFE transducer, 2" NPT process connection, and 4-20mA HART output. It is approved for FM Class 1, Div 2 locations.