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Control System

What is a servo valve?

A servo valve can vary the fluid flow according to the changes in the...
Electrical

What is an electrical line or phase tester and how does it work? What are the parts of an electrical line tester?

A line tester is electrical equipment that can be used to detect the presence...
Control Valve

What is a proportional control valve?

The proportional control valve can be considered as the combination of the hydraulic valve...
Field Instrumentation

What is an airlock relay?

The airlock unit is very useful in a control valve. This could provide the...
Control Valve

What is a rotary airlock valve?

A rotary valve can be classified as a type of spool valve and in...
Displacement Measurement

What is a potentiometer?

The potentiometer can be described as a device to measure the potential difference, this...
Electrical

What is a redundant power supply?

A power supply can be described as a source of electric power, and this...
Calibration

How to calibrate flow measurement devices?

The calibration is done to the instruments to improve the accuracy of the instrument....
Pressure Measurement

What is a multivariable transmitter and what are its uses?

A multivariable transmitter is a type of pressure transmitter and this transmitter would calculate...
Flow Measurement

What is a differential pressure flow meter and what are its types?

A differential pressure flow meter is the most common type of flow meter that...
Flow Measurement

What is a positive displacement flow meter and what are its types?

The positive displacement meters measure the flow rate by separating the stream into segments...
Flow Measurement

What is a propeller flow meter and where is it used?

The propeller flow meters are widely used for irrigation water measurement, these flow meters...
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