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

2 Answers   Arena,

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why we are using drum level control valve air to close?

0 Answers  

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CAN WE CALIBRATE LEVEL TRANSMITTER USING HART COMMUNICATOR WHEN WATER LEVEL IS PRESENT IN THE BOILER SHELL?

4 Answers   Chemin, Emerson,

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why use 4-20mA in the field of instrumentation?

8 Answers  

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how to solve temperature error in compressor?

1 Answers  

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what is the significance of hook up

3 Answers  

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What is Burnout feature in a recorder?

1 Answers   CCIE,

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please can anyone tell me in detail, what's mean by open loop and close loop?

6 Answers  

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The process variables that need to monitored and controlled are ________, ________, _________ and

1 Answers  

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How to convert gpm into inches of eater.I nerd formula with example so pls help me.

1 Answers  

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How to calibrate the flow transmitter

0 Answers  

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I have transmitter of range -20 to -5 kpa.if it is possible to zero trim with atmospheric pressure,means HP and lp having no pressure...what will get after zero trim and it is the right way.....plz give me reply ....

3 Answers   KOC,

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