Ultrasonic and Radar Level Transmitters

July 1, 2004
The Sitrans Probe LU (ultrasonic) and Sitrans Probe LR (radar) are continuous level transmitters for use in storage vessels, process vessels and open channels in water and wastewater, food and chemical industries.

Providing longer measurement range and improved signal-to-noise ratio than earlier generation probes, the Sitrans Probe LU and LR instruments combine innovative transducer and antenna designs with remote communication using Simatic PDM configuration software and Hart protocol, the vendor says. Set-up is simple using an infrared hand-held programmer. The Sitrans Probe LU is a two-wire, loop powered ultrasonic transmitter that provides a measurement range of up to 12 meters on liquids and slurries. Net echo-processing features include a low-noise transmitter and patented Noise Shield. The Sitrans Probe LR is a two-wire, loop powered, 6.3 GHz in North America radar transmitter that provides a measurement range of 1 to 65 feet. It has a patented Uni-Construction polypropylene rod antenna that offers chemical resistance and is hermetically sealed.

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