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Instrumentation Engineering Animations

How a 4-20mA Transmitter Works ?

S Bharadwaj Reddy
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.

Control Valve Working Animation

S Bharadwaj Reddy
Control valves are valves used to control conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to signals received from controllers

Normally-open and Normally-closed Switch Contacts

S Bharadwaj Reddy
Perhaps the most confusing aspect of discrete sensors is the definition of a sensor’s normal status. Electrical switch contacts are typically classified as either normally-open or normally-closed, referring to the open

What is Seal-in Circuit ?

S Bharadwaj Reddy
A Seal-in circuit is a method of maintaining current flow after a momentary switch has been pressed and released. What is Seal-in Circuit ? Fig 1 : Start button not

Animation of Electromagnetic Relay

S Bharadwaj Reddy
When a voltage is applied to the coil, a current passes through it and this creates a magnetic circuit which includes the core, armature and the yoke. The core attracts

Scintillation Counter Principle

S Bharadwaj Reddy
A scintillation counter is an instrument for detecting and measuring ionizing radiation by using the excitation effect of incident radiation on a scintillator material, and detecting the resultant light pulses. It consists of a scintillator which

MOS Type Gas Sensor Principle

S Bharadwaj Reddy
MOS Type Gas Sensor Principle In clean air, donor electrons in tin dioxide are attracted toward oxygen which is adsorbed on the surface of the sensing material, preventing electric current

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