Radar-Based Level Sensor Family Squires New Members

KROHNE expands its OPTIWAVE series of frequency-modulated continuous-wave (FMCW) radar level transmitter offerings with six 24- and 80-GHz transmitters. The transmitters are designed for liquid and solid applications and each device has a particular application target area, including agitated and corrosive liquids, narrow tanks with internal obstructions, or powders and dusty atmospheres.


The devices feature 2-wire, 4 mA to 20 mA HART 7 communication, and come with a choice of process connections starting from ¾-in. They feature a large backlit LCD display with four-button keypad, a quick setup assistant, and PACTware device type manager (DTM) with full functionality.

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The devices for liquids include the OPTIWAVE 3500 with an 80 GHz FMCW radar aimed at hygienic applications in the food, beverage and pharmaceutical markets; OPTIWAVE 5400, a 24 GHz FMCW radar for liquids in basic process applications in chemical, oil & gas and power industries; OPTIWAVE 7400, a 24 GHz FMCW radar designed for liquids in harsh environments such as tanks with agitators containing corrosives; and OPTIWAVE 7500, a 80 GHz FMCW radar covering the same industries as OPTIWAVE 7400 but with an 80 GHz radar that can even measure through tank roofs made of non-conductive material.


Devices for solids include the OPTIWAVE 6400, a 24 GHz FMCW radar for solids from granulates to rocks in industries such as minerals and mining, chemical, agriculture, or power generation; and OPTIWAVE 6500, a 80 GHz FMCW radar for powders and dusty atmospheres, equipped with special features that meet the challenges linked to fine powders such as dust, low-reflective media, build-up, and uneven surfaces.



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