Siemens 7ML5221-2BA18 SITRANS Probe LU Ultrasonic Level Transmitter

Description

The Siemens 7ML5221-2BA18 is a SITRANS Probe LU ultrasonic level transmitter designed for continuous, non-contact measurement of liquid and slurry levels. It provides a 4–20 mA output with HART communication and a measuring range of up to 6 m (20 ft) for the specified configuration. 

Technical Specifications

Information About 7ML5221-2BA18

The 7ML5221-2BA18 belongs to Siemens’ SITRANS Probe LU series of ultrasonic level measurement instruments. It uses a PVDF copolymer transducer and a plastic PBT enclosure with two 1/2-inch NPT cable inlets. The process connection is a 2-inch tapered NPT thread. Its intrinsically safe CSA/FM approval supports use in specified hazardous-area installations when installed according to the applicable certification requirements. 

Key Features:

• Ultrasonic Measurement: Measures level without direct contact with the process medium.

• Measuring Range: Configured for a range of 6 m (20 ft).

• Output Signal: Provides a 4–20 mA analog output.

• HART Communication: Supports instrument configuration and diagnostics through HART.

• Transducer Material: Uses a PVDF copolymer transducer.

• Process Connection: Features a 2-inch tapered NPT connection.

• Enclosure: Plastic PBT housing with two 1/2-inch NPT cable inlets.

• Hazardous-Area Approval: CSA/FM intrinsically safe approval for specified hazardous locations.

The 7ML5221-2BA18 delivers the non-contact measurement capability and signal integration required for industrial level monitoring.

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