采用美国LIPU公司**技术生产的LPF系列电缆浮球开关，是利用重力与浮力的原理设计而成，结构简单合理。主要包括浮漂体、设置在浮漂体内的大容量微动开关和能将开关处于通、断状态的驱动机构，以及与开关相连的三芯电缆。
该产品的显著特点是性能稳定可靠（不因液面的波动而引起误动作）。同时，它还具有无毒、耐腐蚀、安装方便、价格低廉、使用寿命长等特点。
该产品可与各种液泵配套，广泛用于给水、排水及含腐蚀性液体的液位自动控制。
LPF level regulator is a float switch produced under the license of LIPU SPA of USA. The design of the structure is simple and rational. The main features of this float switch are reliability and easy mounting. It can be used for start and stop automation of pumps, electrical control valves and alarms etc. for water, waste and corrosive liquid. It also can be directly attached to a small drainage pump.