Search Results for: 4-20 mA
- Valves
Smart Valve Positioners
SMART VALVE POSITIONERS The smart valve positioners are digital valve controllers.The microprocessor based smart valve positioners with internal logic and…
Read More » - Automation
What is industrial automation?
Automation is the technology that uses many control systems to control the equipment in a factory or in other places.…
Read More » - Control System
What is an automatic control system?
Table of ContentsWhat is a control system?What is the need for an automatic control system?What is a set point change…
Read More » - Interview Questions
50+ Industrial automation interview questions
1.What are the major functions of a supervisory control system? A. There are three major functions for a supervisory control…
Read More » - Instrumentation
What is a smart transmitter?
What is a smart transmitter? A microprocessor-based smart transmitter has a memory that can perform calculations, produce diagnostics and out-perform…
Read More » - Instrumentation
What is sensor trim in a smart transmitter?
In a conventional analog electronic process transmitter typically have only two calibration adjustments: one for zero and another for span,…
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Difference between Conventional transmitters and Smart transmitter
Transmitters are essential components in the process industry. And change is inevitable in the industrial sector as of all other…
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Electropneumatic converter – Construction, Working
Electro-pneumatic is a pneumatic control system where air pressure and direction of the valve are controlled by an electrical current.…
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How to Troubleshooting 4 -20 mA Current Loops with Loop Calibrator?
Introduction Special-purpose electronic test instruments called loop calibrators are manufactured for the express purpose of 4-20 mA current loop circuit troubleshooting. These…
Read More » - Instrumentation
A brief note about Pneumatic instrumentation
Introduction While electricity is commonly used as a medium for transferring energy across long distances, it is also used in…
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