Why we not use 2-20Ma or 1-20Ma

5 Answers  

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Where & Why we are using SURGE PROTECTION ?

4 Answers   IOCL,

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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what is the name of thermocople element cable from field to pannel end?

3 Answers  

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Differentiate between ultrasonic flowmeter and radar type flow meter

0 Answers  

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Name some of the common protocol use in automation.

3 Answers   Empower,

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where cn i find the previous years question paper for psu exam???????//

0 Answers  

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In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 Answers  

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How to calibrate DP transmitter by using HART communicator ?

1 Answers  

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EXPLAIN SOME IMP QUESTIONS AND ANSWERS ON TOPIC ELECTRONICS,INSTRUMENTATION.........

1 Answers   ONGC,

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how can you change unit of totalizer in siemens mag 5000 flow meter?

2 Answers   PowerTech,

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in differential pressure transmitter,min&max pressure range for hp&lp

0 Answers  

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