Protocontrol Instruments [India] Pvt Ltd supplies Accurate Signal Conditioning Equipment. Protocontrol Instruments [India] Pvt Ltd is an ISO 9001:2000 certified organization. Protocontrol Instruments [India] Pvt Ltd also manufactures Safety Switches, Proximity Switches, analog and digital process control, temperature and humidity sensors etc. The Accurate Signal Conditioning equipment is used for connecting field sensors and control room by providing effective isolation, improving signal communication and hence improving the plant performance. The Accurate Signal Conditioning equipment is Loop powered, field mounted, temperature transmitter. It has an RS 232 to RS 485 Converter. The Accurate Signal conditioning equipment is used in electronic industry, power supplying units etc.