. The dual advantage of a waterproof switch, installed in the vulcanization of HR HY (high impedance) within the housing 2, and most corrosive liquids are highly compatible technical characteristics of a switch angle:. + / - 25o 2 Maximum pressure: 3.5 bars 3 off the power. : 16 (6) A (16A resistive - 6A inductive) 4 density range: from 0.80 to 1.10 apply an acid solvents, corrosive liquids, hydrocarbons, water pump 2 multi-level control 3 rows. empty / fill function 4. spill or dry run protection 5 high / low level alarm