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Instrumentation Engineering Animations

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

Relay Working Animation

S Bharadwaj Reddy
Relay Working Animation 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.

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

Basics of Chromatograph Operation

S Bharadwaj Reddy
Chromatograph Operation : This animation shows the basic operation of a gas chromatograph, showing the separation of different molecular species in a gas mixture. Each gas type is represented by

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