Mechanic level indicators
Electronic level indicators
Level instrumentation allows us to measure some of the most complex parameters in the industrial world. These can be classified into two general groups of direct or indirect measurement. The sensors of direct measurement take advantage of the variation of level of the material generally liquid or granular solids, on the contrary, those of indirect measurement use alternative variables as it can be the difference of pressure. There are a variety of mechanical and electrical instruments depending on the need to cover.