... of open vessel, and high temperature, high pressure process conditions in the fields of petrochemical, power, food, pharmaceuticals, etc.Principle ... an up / down adjustable switch outside the pressure pipe in the housing. As liquid level rising and the displacer immersed ... +/-10mmContact rating: (Resistive load) 16A/250V/AC, 10A/30V/DC, 0.6A/125V/DC. (Inductive load) 10A/250V/AC, 10A/30V/DC, 0.6A/125V ...