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Instrumentation

In the oil & gas and power generation industry, mechanical instruments are used to measure parameters like pressure, flow, level, speed, temperature, viscosity, humidity, etc, and electrical instruments are used to measure parameters like voltage, current, power, and energy. Moreover, instrumentation comprises sensor elements, signal transmitters, controllers, indicators and alarms, actuated valves, logic circuits and operator interfaces.

Temperature:

This includes manual and automated field instruments that are used to measure and monitor temperature fluctuations in critical and non-critical applications. Different types of temperature instrumentation include heaters, controllers, thermal imagers, and infrared pyrometers.

Pressure:

Many oil, gas and petrochemical processes are undertaken at specific pressures. Pressure is measured by pressure sensors (PE) which are arranged to transmit pressure (PT) signals to pressure controllers (PIC).

Flow:

The throughput of a petrochemical plant is measured and controlled by flow instrumentation. Flow measuring devices (FE) include vortex, positive displacement (PD), differential pressure (DP), coriolis, ultrasonic, and rotameters.

Level:

The level measurement of liquids in pressure vessels and tanks in the petrochemical industry is undertaken by differential pressure level meters instruments. Level instrumentation determines the height of liquids by measuring the position of a gas/liquid or liquid/liquid interface within the vessel or tank.