Pune Techtrol Pvt Ltd. Offers Magnetic Float Operated Guided Level Switches. Pune Techtrol Pvt Ltd. Is an ISO 9001:2000 certified company. The Magnetic Float Operated Guided Level Switches consists of float and guide made of nonmagnetic material to achieve undisturbed magnetic flux. The Magnetic Float Operated Guided Level Switches are top mounted and most commonly used for single / multiple switching with 3 meters range for outdoor mounting.