John Mulindi

Standards Used in Measurements & Their Classifications

For anyone performing a measurement using a particular instrument, it usually matters to know whether the instrument is calibrated or…

10 months ago

Radar Level Transmitters: Operating Principle & Applications

Radar level transmitter basically employs electromagnetic waves to determine the fluid level in a tank. It converts level information into…

10 months ago

Pneumatic Signal Transmission System

Signal transmission in process instrumentation and control systems is largely done via electrical transmission but there are a few areas…

10 months ago

How Redundancy is Achieved in Process Plants

In similar way to electronic systems, redundancy is extensively employed technique for enhancing the reliability of many industrial plants and…

10 months ago

How Interferometers are used as Position Sensors

Interferometer sensors employ energy in the form of light or sound to make precise position/location measurements. There are a number…

10 months ago

Phase Locked Loop High Precision Motor Speed Control System

AC generators can be utilized in high precision control systems. The AC generator rotor is rotated by the rotating shaft…

10 months ago

Principle of Operation of Magnetostrictive Position Sensors

Magnetostrictive sensors detect the location of a magnetic ring that slides along a conductive metal tube; in other words this…

10 months ago

How to Connect Discrete Sensors to PLC Inputs

Discrete Sensor Outputs   Basically sensor outputs can be categorized into two types: discrete also referred to discrete or logic…

10 months ago

Photoelectric Pressure Transducer Operation

The photoelectric pressure transducer uses a phototube and a light source (either a stable source of light or ac modulated…

10 months ago

Oscilloscopes: Function, Features, Applications & Selection Guide

The Function of an Oscilloscope An oscilloscope is an electronic instrument that presents a graphical display of its input voltage…

10 months ago