Answer / guest

As per my knowledge RTD r thermometer is better

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

0 Answers   Process Control Technologies,

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can u guys tell me why we are using sheild in junction bos wiring ~! ?

1 Answers  

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where can i find a flameproof hmi unit?

1 Answers  

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what is flow

2 Answers  

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How can you convert an SR Flip-flop to a JK Flip-flop?

1 Answers  

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What is ptw and write 3 types of ptw?

5 Answers   Emco,

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what is the difference between profibus and controlnet networking.

0 Answers   HZL,

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centrifugal compressor interlock? Tell me the parameter at which compressor will trip

0 Answers   Cairn,

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Why are the uses 24vdc in industries

0 Answers  

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Intools training

1 Answers  

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i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....

0 Answers  

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1. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?

6 Answers   JSL,

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