Field Instrumentation

What is a proximity sensor and what is it used for A sensor is a device that can convert the physical parameters, like temperature, humidity, speed, etc into a signal which is then measured electrically. A proximity sensor is a sensor that can detect a device or object which is near to it and sensing …

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What is a proximity switch and what is it used for? How do proximity switches work A proximity switch is used to determine how close an object is, or the proximity of an object. The proximity of an object is determined by using certain means such as magnetic, electric, or optical. So these switches can …

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What is a smart sensor and how is it different from a normal sensor A sensor is a device that would create an electrical signal which is related to the quantity that is measured by it. So this device would measure the physical quantity and the measurement will be displayed by using an instrument. A …

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What is Transmitter? Transmitters are instruments used to generate and send electromagnetic waves which includes message or signal. A transmitter produces radio waves with the help of Antenna. Transmitter itself combines a sensor and the sensor measures the process variable and generates proportional signal. What is the working principle of Transmitter? The working principle of …

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