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Siemens SITRANS Probe LU Ultrasonic Level Transmitter (FM Div 2)

Siemens SITRANS Probe LU Ultrasonic Level Transmitter

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ManufacturerSiemens

Part number7ML5221-2DA14

Range 12 m (40 ft)

Transducer Material PVDF Copolymer

Process Connection 2" NPT

Output 4-20mA HART

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Veteran-owned

CAGE: 9NK75

Continuous non-contact measurement 12m range PVDF transducer 4-20mA HART output FM Class 1, Div 2 hazardous area approval

Product description

The Siemens SITRANS Probe LU 7ML5221-2DA14 is a continuous, non-contact ultrasonic level transmitter designed for reliable level and volume monitoring of liquids and slurries. It features a 12-meter (40 ft) measurement range, a PVDF copolymer transducer, and a 2" NPT process connection. This model is equipped with a 4-20mA HART output and carries FM, Class 1, Div 2 hazardous location approvals.

This transmitter is well-suited for applications in environments that may have flammable vapors or combustible dust, such as in chemical plants, storage tanks, and processing facilities. The PVDF transducer offers excellent chemical resistance for various media.

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Technical specifications

Range	12 m (40 ft)
Transducer Material	PVDF Copolymer
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 Plants

Storage Tanks

Processing Facilities

Refineries

Hazardous Area Monitoring

Compatible systems

Suitable for environments classified as Class 1, Division 2.

Also known as

Siemens SITRANS Probe LU 7ML5221-2DA14 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

For Class 1, Division 2 installations, ensure all wiring and conduit are installed according to the relevant hazardous area codes and standards.

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Frequently asked questions

Can the Siemens 7ML5221-2DA14 be used in hazardous areas?

Yes, the Siemens 7ML5221-2DA14 is approved for Class 1, Division 2 hazardous locations according to FM standards, making it suitable for use in areas with potentially flammable atmospheres.