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Continuous Level Measurement

The continuous eyes and ears of your operations.

Processes in your facility are constantly changing – so you’d better know what’s where and how much you have, at all times. The answer? Siemens continuous level measurement, featuring a full range of technologies for your exact application: ultrasonic, radar, guided wave radar, capacitance, gravimetric and hydrostatic. With intuitive setup, world-class accuracy and a global network of support. Always monitoring, always precise, always from Siemens.

Radar level measurement

SITRANS LR radar level measurement is non-contacting technology built for monitoring levels of both liquids and solids. Challenging process environments like vapor, pressure, dust, or high temperatures are no match for these instruments. Process Intelligence, the transmitters' advanced method of processing echo profiles, guarantees reliable and accurate level measurement and automatically ignores obstructions. Graphical Quick Start Wizards get you up and running in minutes – without any additional fine-tuning.

Guided wave radar level measurement

SITRANS LG guided wave radar is a contacting technology that excels in monitoring the level of liquids and solids. Advanced echo processing gives you unmatched reliability and accuracy when measuring level and interface in everything from small to large vessels. Extreme conditions like high pressure and vapors are no problem for these transmitters. With easy to use Quick Start wizards for setup, field replaceable and adjustable probes for easy maintenance, and SIL ratings for safe operation, see the difference guided wave radar makes.

Ultrasonic level measurement

SITRANS LU ultrasonic level measurement is a world-leading non-contacting technology for measuring the level of liquids and solids. Siemens Process Intelligence separates true echoes from false ones – isolating material echoes from those generated by obstructions or electrical noise. Using field-proven algorithms to provide intelligent processing of echo profiles, this “knowledge-based” technique delivers superior performance every time. And with a separated controller and transducer system, the transducer is mounted on the vessel while the controller is in a safe area away from the application in a control room or a field mounted electrical panel.

Capacitance level measurement

SITRANS LC capacitance instruments are contacting level and interface devices for measuring liquids and some solids. Inverse frequency change technology delivers high resolution, fast reaction time, and consistently accurate measurements of even the smallest level changes, in short spans, or in materials with a low dielectric constant (dK). With simple two-button start-up and extremely low maintenance and recalibration needs, capacitance technology will save you time and money.

Gravimetric level measurement

SIWAREX weighing technology produces high-precision gravimetric measurement without ever contacting the material and is completely independent from conditions inside the vessel. The devices can be used stand alone or in combination with Siemens DCS systems like SIMATIC S7 300, 400, 1200, and 1500. These weighing modules are an excellent choice for legal-for-trade applications, with dependable accuracy and reliability in a wide range of industries.

Hydrostatic level measurement 

SITRANS P hydrostatic level technology can handle extreme chemical and mechanical loads as well as electromagnetic interference. Cable versions allow for installation in small tubes as well as over long ranges. This technology is widely applied in the environmental, chemical, and petrochemical industries.