Protocontrol Instruments India Pvt. Ltd manufactures and exports Indicating and Controlling Instruments. Protocontrol Instruments India Pvt. Ltd is an ISO 9001:2000 certified company. The Indicating and Controlling Instruments include digital timers, electronic digital timers, digital indicators, and digital process indicators. These instruments come in a variety of models and are long-lasting. These are simple, sleek, reliable and cost effective instruments.