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05.10.2020 Compact radar transmitters for level measurement

Siemens, Nuremberg, Germany, has introduced two additions to the Sitrans LR100 series of 80 GHz radar transmitters. These high-frequency, compact transmitters are designed to deliver robust, reliable measurements even in the most challenging environments. Both offer fast and easy setup. Sitrans LR140 features 4-20mA simplicity and is configured via Bluetooth wireless technology and the Sitrans mobile IQ App.

Sitrans LR150 offers a four-button user interface on an optional HMI for configuration or monitoring. Configuration is also available via Bluetooth wireless technology and the Sitrans mobile IQ App or remotely with 4-20mA/HART using Simatic PDM. The easy-to-use Quick Start Wizard ensures that the transmitter can be operational within minutes. Custom microchip technology delivers fast response and extremely high sensitivity to detect even the weakest of signals.

Reliable readings mean reduced operator exposure to hazardous situations: no need to climb tanks, lean out over sumps, or crawl into confined spaces to maintain instruments. Zero blanking distance allows measurement right up to the sensor, thereby avoiding costly overfilling. Two-millimetre accuracy enhances operational safety through precise measurement across the full range of the application.

Integrating critical level readings or process control data into operations can unlock new opportunities to react to safety concerns, analyse processes and identify areas for improvement. Users can monitor level measurements or diagnostic and maintenance information from the comfort of the control room or connect to Siemens MindSphere, the cloud-based, open IoT operating system or any other IoT solution of the users’s choice.


Siemens has launched two additions to the Sitrans LR100 series of 80GHz radar transmitters

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