why level transmitter input is given 4to20ma

2 Answers   Sabic,

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Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 Answers   IOCL,

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what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

2 Answers  

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what is interface level and how it is calibrate?

0 Answers  

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What is difference between magnetic flow transmitter & Electromagnetic flow transmitter?

1 Answers  

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Why humidity limit is 30 to 55 % for raw material storage?

1 Answers  

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Is there any interfacing sofware to build communication between a PC and ER300P model L&T make trivector meter via RS485 port which is available in the meter and is there any data acquisition card available to store the acquired data from the meter into the system

12 Answers  

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what is mean by hot loop and cold loop testing, whts different between both

2 Answers   Honeywell, PDO,

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WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

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What is a flow meter?

2 Answers  

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How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

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Identify and use the ANSI/ISA-S5.1 consensus industrial standard process symbols.

0 Answers   GAIL, Olympia,

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