Instrumentation & Control Engineers

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Calibration of Gas Detectors Instrumentation Tools A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a control system so a process can be automatically shut down. A gas detector can sound an alarm to ...

How a 4-20mA Transmitter Works ? Instrumentation Tools Transmitter Basics : A sensor is an input device that provides a usable output in response to the input measurand. A sensor is also commonly called a sensing element, primary sensor, or primary detector. The measurand is the physical param- eter to be measured. An input transducer produces an electr...

Control Valve Volume Booster Working Principle Instrumentation Tools Control Valve Volume Booster Working Principle What is a Volume Booster ? A pneumatic air volume booster reproduce a low flow control signal with a higher regulated flow output pressure. It uses an unregulated input pressure to maintain a regulated output pressure under flowing and non-flowing condi...

Feedforward Vs Feedback Control Instrumentation Tools Feedback control Feedback control is an important technique that is widely used in the process industries. Its main advantages are as follows. 1. Corrective action occurs as soon as the controlled variable deviates from the set point, regardless of the source and type of disturbance. 2. Feedback con...

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What is ITP ?

DP Level Transmitter Elevation and Suppression Corrections Instrumentation Tools DP Transmitter Elevation and Suppression Corrections for Level Measurement When installing a DP transmitter to measure liquid level, configuration of the transmitter often must include an adjustment for one of two conditions introduced by the mounting arrangement. Elevated Span – The Lower Range Val...

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Latest Control Valves Interview Questions Instrumentation Tools Can a control valve be mounted with actuator in horizontal position? Yes. Control valves can work in any orientation, however the preferred installation is with actuator in vertical position. This will prevent side-loading of the internal components, the valve will have a much longer service life an...

What is Partial Stroke Test ? Instrumentation Tools In all of our activities, safety is one of the prime points under consideration. The same is true when we deal with industrial processes, mainly when process automation is increasingly being applied in the industries, which means that many decisions and actions, previously made by humans, are now as...