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  1. DRUMLINE

    CONDUCTIVITY PROBE MELT DOWN

    The probes are all the same, same material as thousands of other probes we manufacture. Everything is material certed so its not the problem.
  2. DRUMLINE

    CONDUCTIVITY PROBE MELT DOWN

    To be honest I am at a loss. Other probes, the tips look completely rusted away, which indicates galvanic corrosion through a DC voltage applied to the probe. The whole melting thing is another story all together. I think we will have to see what they come up with on site.
  3. DRUMLINE

    CONDUCTIVITY PROBE MELT DOWN

    The tip of the probe is connected to a stud that runs through the body. The stud is connected to the electronic unit. Tip and stud are isolated from the body (which is earthed to the column and forms the earth for the electronic unit. There appears to be no blow down as it is only the end of...
  4. DRUMLINE

    CONDUCTIVITY PROBE MELT DOWN

    The probes are in a water column so no high velocity inlet pipes, columns are filled by condensing steam. The body of the probe is earthed to water column, the tip that is melted, has 6 volts ac with 60 microamps appied to it. The water bridges the gap between the tip and body to complete the...
  5. DRUMLINE

    CONDUCTIVITY PROBE MELT DOWN

    Hi guys, I have been the level instrumentation industry for 25 years now and never seen anythin like this. This is a stainless steel conductivity probe installed in a water column attached to a boiler drum. Obviously this is nothing to do with the water as its only the tip section that has...
  6. DRUMLINE

    Hydrastep conductivity probe 246785

    Hi guys, I was wondering if anyone out there uses the hydrastep 246785A or 246785Z probes in their systems. If you do, could you please message me as I am looking for an old, used probe that I am happy to pay a small amount for and carriage costs. Does not matter if it is damaged or has failed...

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