what is the working principle of hydra step(electronic level
indicator)?
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Answer / deepan
basic principle behind that is conductivity or resistivity.
pure steam has conductivity 0.9 mho
dm water has 1.0 mho
so hydrastep gives different color
Is This Answer Correct ? | 22 Yes | 8 No |
Answer / d.chakraborty
FOLLOW - www.powerplantinstrumentation.yolasite.com
Is This Answer Correct ? | 7 Yes | 6 No |
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I work on a electronic positioner transmitter 4211 at the field.I connect my multimeter in series to get the current output then I calibrate it to 4ma in 0% of position of the valve and 20ma in 100% position of the valve.My problem is in the field I get the correct output current based on my multimeter but in the dcs they only receive 40% in a output 20ma of this positioner.Then I try to simulate in this analog card and they receive the equivalent percent on the value that I simulated.Is ther any possibility to reset the zero and span of this positioner 4211 fisher.And what other possibility I can do to fixed this.This is my email add ( landicho_randy@yahoo.com )
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