Smart sensors and Automations: Ã¢ÂÂSMARTsaaÃ¢ÂÂ is leading manufacturer and distributor and exporter of Safety Pull Cord Switches, Conveyor Safety Switches, Level Switches and Transmitters for bulk solids and liquids, special sensors, instruments and systems for critical area use. We offer instruments for measurement of Level, Position, Speed, Temperature, Pressure, Flow, Density, Oscillation & rotation. SMARTsaa is an associate company of Protocontrol Instruments (I) Pvt. Ltd, leader in industrial instruments from last two decades. SMARTsaa is formed to cater requirement next generation and Ã¢ÂÂsmartÃ¢ÂÂ products.