Furnace draft transmitter range is -50 to +50 mmwc. why the impulse line connected in hp side?

2 Answers   Arena,

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rtd principle?thermocouple principle?

5 Answers  

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modbus and profibus communication difference?

1 Answers  

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What are the interlocks we have to check during the start up of LP/HP compressor?

0 Answers   Hamsco,

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How oil line flow measured?eplain about instruments used and working principle?

0 Answers  

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Why do we use triad cable for RTD to Temp.transmitter connection? Why we don't use 3 core cable?

1 Answers   Process Control Technologies,

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what is disadvantage of field bus (ff)type of instrument

1 Answers  

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how can check the loopchecking for valves?

3 Answers  

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What is the reason for not giving very High Proportional Gain Kp in PID Controller?

2 Answers   ABB,

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Why using negative voltage in vibration measurement?

2 Answers  

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What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

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i am having information technology branh ....... can i prepare for psu exam

0 Answers  

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