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Areej

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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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Interview Questions

INSTRUMENTATION INTERVIEW QUESTIONS-CONTROL VALVES

Introduction Hello guys this session contains 25 interview questions about CONTROL VALVES.And if you need...
Automation

What is DCS?

Introduction Distributed Control System refers to a control system usually of a manufacturing System, process in which the controller elements are...
Calibration

DIFFERENCE BETWEEN CALIBRATION OF A HART & CONVENTIONAL INSTRUMENT

INTRODUCTION There are smart and conventional instruments and the calibration procedure of these types of...
Automation

Introduction of Siemens PLC

Introduction  Siemens makes several PLC product lines in the SIMATIC S7 family. They are: S7-200,...
Automation

Introduction of Allen Bradley PLC

Introduction  Rockwell Automation traces its history to 1903 and the formation of the Compression Rheostat...
Instrumentation

What is Linear Variable Differential Transformers(LVDT)

Introduction Linear Variable Differential Transformers, LVDT, are the most commonly used passive type transducers. They...
Analytical Instrumentation

Infrared type fire detectors 

Introduction There are different types of fire detectors like UV type fire detectors,Infrared type fire detectors  etc.In...
Instrumentation

Types of Signal Transmission

Introduction The secondary electronics of a transmitter amplify and condition the weak electrical signals generated...
Temperature Measurement

Non-Contact Temperature Measurement 

Introduction  All the targets radiate energy in the infrared spectrum. The hotter the target, the...
Temperature Measurement

What is optical pyrometer?

Introduction A pyrometer, or radiation thermometer, is a non-contact instrument that detects the temperature of...
Analytical Instrumentation

UV type fire detectors

Introduction In process plants, sudden release of hydrocarbon / self igniting fluids may develop rapidly...
Analytical Instrumentation

WHAT IS GEIGER MULLER COUNTER

What is a Geiger Muller? The Geiger-Müller tube or the G-M tube is the sensor...
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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,...