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Areej

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Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When a Control Valve Is Passing?How a Control Valve Should Close Under Normal ConditionsCommon Symptoms of a Passing Control ValveMajor Causes of Control Valve PassingControl Valve Shutoff Performance by Valve TypeHow...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Pressure Measurement

Electronic pressure measurement

Introduction For electronic pressure measurement a sensor is required to detect the pressure and/or its...
Instrumentation

What is impulse lines?

Table of ContentsWhat is  impulse piping?What are the things to remember before designing a...
Pressure Measurement

Difference between Pilot-operated & Self-compensating pressure regulators

Introduction Gases used in industrial processing, such as oxygen, nitrogen, hydrogen, and propane, are stored...
Instrumentation

Proximity detection using capacitance & inductive sensors

Introduction There are two basic ways to detect object presence; contact and proximity. Contact implies...
Instrumentation

Basics of Pneumatic instruments

Introduction A pneumatic system is a system that uses compressed air to transmit and control...
PLC

Introduction to PLC hardware- part 2

Introduction Earlier we discussed about the basics of PLC hardware .This is the continuation of...
PLC

Introduction to PLC hardware part 1

INTRODUCTION Many PLC configurations are available, even from a single vendor. But, in each of...
Level Measurement

Basics of Hydrostatic level measurement

What is meant by hydrostatics? Hydrostatic pressure sensors are used for the measurement of level...
Temperature Measurement

Difference between wire wound & film RTD’s

Introduction An RTD is a device which contains an electrical resistance source (referred to as...
Temperature Measurement

WHAT IS RESISTANCE THERMOMETERS ?

Introduction Resistance thermometers is also called RTD (resistance temperature detector). It operates on the principle...
Pressure Measurement

What is submersible pressure transmitters?

Introduction Basically, submersible pressure transmitters or level probes are used in varying immersion depths and...
Pressure Measurement

What are capillary lines? and what is it used for?

Introduction Capillary lines are utilized when instruments need to be removed from direct contact with...
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Latest articles

Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Communication

Profibus PA Communication Problems: Causes, Symptoms and Troubleshooting Guide

Table of ContentsOverview of Profibus PA Communication Challenges What is Profibus PA Communication?Definition of Profibus...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...