Instrumentation is a brain behind process control. It senses, records and controls various process parameters to achieve best product quality at maximum economy and safety. Here is a list of PID symbols pertaining to Instrumentation.
 | Analyser Transmitter |
 | AND Gate |
 | Averaging Pitot Tube |
 | Behind Control |
 | Behind Local Control |
 | Computer |
 | Computer Indicator |
 | Coriolis Flow Sensor |
 | Correcting Element |
 | Diamond |
 | Diaphragm Meter |
 | Displayed Configurable |
 | Displayed Programmable Indicator |
 | Double |
 | Flow Controller |
 | Flow Element |
 | Flow Indicator |
 | Flow Meter |
 | Flow Nozzle Meter |
 | Flow Recorder |
 | Flow Transmitter |
 | Flowmeter |
 | Flume Meter |
 | Indicator 01 |
 | Indicator 02 |
 | Indicator 03 |
 | Indicator 04 |
 | Indicator 05 |
 | Level Alarm |
 | Level Controller |
 | Level Gauge |
 | Level Indicator |
 | Level Meter |
 | Level Recorder |
 | Level Transmitter |
 | Magnetic Flow Meter |
 | Manhole |
 | NOT Gate |
 | Odometer |
 | On Central Control Panel |
 | On Local Control Panel |
 | OR Gate |
 | Pitot Tube |
 | Pitot Tube Type Flow Meter |
 | Pressure Controller |
 | Pressure Gauge |
 | Pressure Gauges |
 | Pressure Indicating controller |
 | Pressure Indicator |
 | Pressure Recorder |
 | Pressure Recording Controller |
 | Pressure Transmitter |
 | Programmable Indicator |
 | Quick Change Meter |
 | Rotary Meter |
 | Rotometer |
 | Sampler |
 | Shared Indicator 01 |
 | Shared Indicator 02 |
 | Socket Connection |
 | Speciality Item |
 | Steam Traced |
 | Straightening Vane |
 | Support Bracket |
 | Support Leg |
 | Support Ring |
 | Support Skirt |
 | Target Meter |
 | Temperature Controller |
 | Temperature Element |
 | Temperature Indicator |
 | Temperature Recorder |
 | Temperature Transmitter |
 | Thermometer |
 | Thermometers |
 | Transducer |
 | Turbine Meter |
 | Ultrasonic Meter |
 | Unit Control Panel |
 | V Cone Meter |
 | Venturi |
 | Venturi Meter |
 | Vortex Sensor |
 | Wedge Meter |
 | Weir Meter |