measuring instruments guided microwave level used in all types of silos, containers, other containers you dry or raw materials whose grain size is less than 20 mm. and the measurement range does not exceed 20 m. Even in powder materials like fly ash and cement as well as grains, granules or flakes, these instruments provide a good result if the product has a dielectric constant as low as 1.8. Even tall and slender silos or in silos of special shapes with studs or obstacles, these gauges provide a reliable measurement. Can also be used in applications with powdery materials such as sawdust) fabrics or bright reflective products. Assembly is easy (see fig. 15) and their adjustment tends to come from the factory.
Figure 15. Example applications on powdery materials. Set
As mentioned, the setting of indicators guided microwave level to the specified lengths is usually done at the factory. It is only necessary to make a new setting ("map" of the probe) if there are obstacles to less than 30 cm. probe cable, or if it cuts. The "map" of the probe is carried out in an empty silo by adjusting the matrix of four keys that are in electronic or remote calibration by intelligent communication, for example, HART.
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