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Ashlin

post-graduate in Electronics & communication.
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Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled through PLC based sequencing, pressure instrumentation, permissives, alarms, trips and automatic standby selection. For automation and instrumentation professionals, understanding this logic is essential for DCS configuration, PLC programming, control panel...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog Input LoopCommon Symptoms of Galvanic Isolator ProblemsStep by Step Galvanic Isolator Troubleshooting ProcedureIndustrial Troubleshooting Case Study: Incorrect DCS Pressure ReadingSafety Precautions for Galvanic Isolator TroubleshootingGalvanic Isolator Selection and Maintenance Best...
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Control Valve

What is a counterbalance valve?

This type of valve would allow the flow in one direction and it would...
Control Valve

What is a sequence valve?

A sequence valve is widely used in a hydraulic system these valves are pressure...
Control Valve

What is a cartridge valve?

A cartridge valve is a directional control valve, it is a two-position valve and...
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...
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Latest articles

Instrumentation Calculators

Advanced Instrument Air Compressor Interlock Logic and Control Quiz for Automation and Instrumentation Professionals

Instrument Air Compressor Interlock Logic Quiz Introduction Instrument air compressors are critical utility equipment controlled...
Procedures

Galvanic Isolator Troubleshooting Procedure in an Analog Input Loop

Table of ContentsIntroduction to Galvanic Isolator TroubleshootingUnderstanding a Typical 4 to 20 mA Analog...
Instrumentation Calculators

Pressure Transmitter Overrange Protection Calculator: Calculate Pressure Surge and Overpressure Risk

Table of ContentsWhat Is Pressure Transmitter Overrange Protection?Pressure Transmitter Overrange Protection Calculator ParametersHow to...
Instrumentation Questions

Advanced Instrument Logic Diagram Quiz for Process Control Systems in Process Industries

Instrument Logic Diagram Quiz Introduction An Instrument Logic Diagram displays the interaction of process conditions,...