1 High performance in extreme dust: 78 GHz radar for solids level measurement siemens.com/sitransLR560 Compared to contacting technologies such as guided wave radar, capacitance, or plumb-bob systems, and even to non- contacting ultrasonics, radar is ideal in extremely dusty environments. Most solids materials will generate some dust during a silo’s fill cycle. Fortunately, the dielectric constant of the dusty at- mosphere is very close to

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