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Recent content by mendocarter

  1. mendocarter

    Lost my liquid compensation column in measurement liquid level by diferenctial pressure

    Than you Roydm. The instrumentation boss of my plant have decided changing all level transmiter in dis tanks by diferential pressure transmiter with difragme and capilar tube, I think that It is worse because we have a small measerument range and this instrument don´t have presición in de...
  2. mendocarter

    Lost my liquid compensation column in measurement liquid level by diferenctial pressure

    Good Idea, but do you think that nothing condensate in the leg dry?. Is possible that I need isolated and electrical heater for the tubing in order to have a temperature higher than saturation temperature at the tank pressure. What do you think about that? To put air purge is imposibble in this...
  3. mendocarter

    Lost my liquid compensation column in measurement liquid level by diferenctial pressure

    It´s depend, in some ocasions I lost 10% y others 25%...etc off the columns, in the tree levels that I have I lost difeerent percentaje off column, but in all cases it is an importatn error in the mesaurement and I don´t know what is the solution, but I think that in other plants have the same...
  4. mendocarter

    Lost my liquid compensation column in measurement liquid level by diferenctial pressure

    Hi¡ My name is Alejandro and y work in a power plant. I have a pre-heater off low pressure whose internal pressure is vacum (near 0,3 bara). I have tree instruments of diferential presure for measure the level. I put water in the reference column (superior tap), but part off this column...

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