NIVOSTOP® / EX perfectly matches requirements of level control, automation of pumping, when working area is classified hazardous. 

The built-in switch operates when the float rotates from bottom to top with the rising level of fluid; it switches back with a downward moving fluid. Built-in ballast (counterweight) allows the NIVOSTOP® / EX, to rotate around a virtual axis without floating over the fluid surface, neither to roll the cable over objects; it rotates in a small space and stay immersed.