Electrical Instrumentation And Process Control

Elements of industrial instrumentation have long histories. Scales for comparing weights and simple pointers to indicate position are ancient technologies. Some of the earliest measurements were of time. One of the oldest water clocks was found in the tomb of the Egyptian pharaoh Amenhotep I, buried around 1500 BCE. Improvements were incorporated in the clocks. they had the rudiments of an automatic control system device

1. TRANSDUCER-I

2. TRANSDUCER-II

3. TELEMETRY AND ACQUISITION SYSTEM

4. DISPLAY DEVICES AND RECORDERS

5. PROCESS CONTROL

6. RECENT DEVELOPMENTS