Protocontrol Instruments India Pvt. Ltd manufactures Magnetic Proximity Switches. Protocontrol Instruments India Pvt. Ltd is an ISO 9001:2000 certified company. The Magnetic Proximity Switches serve as a basic block of automation. They find application for position, speed, direction, and revolution and liner speed measurement. These Magnetic Proximity Switches are designed for speed sensing application and position and direction sensing. These are available with special Hall Effect and are ideal for use in automobile speed sensing applications.