AutomationForum - Instrumentation, Electrical, PLC Tutorials Information

Names and purpose of different type of Instruments [Part1]

denizen roboJanuary 15, 2014

by denizen roboJanuary 15, 20142 303

absorptiometer instrument for measuring solubility of gases in liquids accelerometer instrument for measuring acceleration or vibrations acetimeter instrument for measuring strength of vinegar acidimeter instrument...

What is Thermocouples? Standard Thermocouples

denizen roboSeptember 22, 2013November 4, 2022

by denizen roboSeptember 22, 2013November 4, 20224 289

Thermocouple A thermocouple consists of a pair of different metal or alloys joined together at both ends. One end, measuring junction, is placed where temperature...

Pressure measurement

denizen roboSeptember 21, 2013November 4, 2022

by denizen roboSeptember 21, 2013November 4, 20222 356

Pressure is defined as force per unit area. Pressure above atmospheric is mostly measured in pounds per square inch (PSI), or in kilo gram per...

What is a ‘controller’? Area of application?

denizen roboSeptember 20, 2013November 4, 2022

by denizen roboSeptember 20, 2013November 4, 20226 681

Standalone controller (PID) A controller is an instrument used for controlling a process variable (measurement). Its continuously monitors the error signal and gives a corrective...

How a Level troll works? Name the parts of a pneumatic Level troll.

denizen roboSeptember 15, 2013

by denizen roboSeptember 15, 20130634

Level troll-Level measuring instrument A Level troll in and instrument used for measuring the liquid level between two known points. The Level troll works on...

Basic Concept of PLC (Programmable logic controllers).

denizen roboSeptember 23, 2012February 9, 2018

by denizen roboSeptember 23, 2012February 9, 20187 731

What is PLC? PLC is a solid state device which control output device based which control output device based on input device and user developed...

How to Calibrate Differential Pressure Level transmitter with actual pressure

denizen roboSeptember 19, 2012November 23, 2022

by denizen roboSeptember 19, 2012November 23, 20220375

DP level transmitter with actual pressure *Hook up HART Communicator and verify some parameters by refer to data sheet. Typical parameters are, tag number,...

How to calibrate Dp level transmitter for low side dry leg

denizen roboAugust 1, 2012November 23, 2022

by denizen roboAugust 1, 2012November 23, 20221451

Differential level transmitter for low side dry leg Calibration Procedure: *Hook up HART Communicator and verify some parameters by refer to data sheet. Typical parameters...

How to Calibrate Offset Displacer Level Transmitter

denizen roboJuly 15, 2012November 23, 2022

by denizen roboJuly 15, 2012November 23, 20221426

Procedure: *Hook up HART Communicator and verify some parameters by refer to data sheet. Typical parameters are, tag number, PV, LRV and URV. *Isolate the...

How to calibrate Displacer level transmitter

denizen roboJuly 8, 2012November 23, 2022

by denizen roboJuly 8, 2012November 23, 20221410

Calibration procedure – Displacer type level transmitter Procedure: *Ask panel man to put the controller in manual mode for control loop and to put it...

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