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Recent content by tmurf

  1. tmurf

    Single vs Double head flow sensor

    Is this a doppler flow meter? Pipe is always full?
  2. tmurf

    Open cooling water tank corrosion

    What is the proper way to measure the voltage in a water filled steel tank with a [Cu 1/2 cell]. The tank has severe corrosion and pitting. I want to add a magnesium anode to help slow or stop the corrosion. I would like to measure the potential before and after. My asumptions are: The [Cu...
  3. tmurf

    need help on how to write to a display w/a micrologix

    Can the Micro-View's be programmed with PanelView32 software? I thought AB had its own software for this.
  4. tmurf

    Lift Station and VFD's

    I have two questions about a sewage lift station. The station has three identical pumps operated by VFD’s. When flow conditions require more than 1 pump to operate is where my first question leads. Is it better to hold the speed of the lead pump at 100%, and vary the lag pump, or operate...
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