What is Positive Calibration and Negative Calibration?

0 Answers   SA Kent,

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If a flow transmitter (magnetic type FT) that can measure flow and temperature, then why in some industries people use flow transmitter and temperature transmitter in the same line 1 after another? Even after 1 single flow FT is capable of measuring flow as well as temperature.

1 Answers   Process Control Technologies,

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what is the difference between RS 232,RS 485,RS 422, how they different from each other

15 Answers   TCS,

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without color coding, without nameplate, without multimeter how can you find the type of thermocouple???

1 Answers   Sabic,

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if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter

4 Answers  

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What is two wire system and how it work

2 Answers   Bhel, IFFCO,

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why fuse block is not used for AI signal?

0 Answers  

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HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

0 Answers   Lerco,

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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how can you set a zero and span of transmitter?

1 Answers   Rockwell,

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what is procedure of calibration of remote seal transmiter, botom to top flanch 850mm, fluid liquid density .73, transmiter fixed on a fractionation colum, under vaccume 10mbar

4 Answers  

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What is capacity of impulse line tube ...answer in psi

2 Answers   Shell,

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