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O.T.-- Honeywell U/V flame sensor tube

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  • O.T.-- Honeywell U/V flame sensor tube

    Any idea how to test one of these, 113228 or a 129464N? Acquired a couple of them along with a bunch of industrial furnace controls when I bought an auction lot that included a bunch of shelving and everything on it. Don't need them (or the other Honeywell stuff) so I'd like to "send them down the road" if I could verify their condition. Base on both tubes has only three pins.
    https://customer.honeywell.com/en-US...uct.Rank&asc=1
    Last edited by reggie_obe; 03-24-2019, 06:18 PM.

  • #2
    IIRC we tested flame detector tubes with ordinary BIC lighter. But your need sensitive current meter and few hundreds volts applied to the tube for that.

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    • #3
      That link gi=oes nowhere.... got a does not exist result. They knew you were looking for info, and deleted that forgotten page....
      1601

      Keep eye on ball.
      Hashim Khan

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      • #4
        Bastards...try this: https://controlscentral.com/eCatalog...2/Default.aspx
        and http://www.decadecounter.com/vta/art...w.php?item=356
        Honeywell portal is of little help: https://customer.honeywell.com/en-US...=literatureTab

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        • #5
          Oh well, no datasheet in the datasheet tab.

          If your controls match the "use with" numbers given for the sensor, then you have a "system". But that may not let you test anything, as the controls probably have other sensor inputs that need to be satisfied also, and unless you have some more info you may not know which pins go where anyway.

          The tube will get a high voltage bias, and will conduct based on the UV input. But without the pin configuration, it's a crapshoot.
          1601

          Keep eye on ball.
          Hashim Khan

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          • #6
            Honeywell is proud of them: list price ~$350. They are basically a diode that conducts when hit by UV light or certain kinds of ionizing radiation.
            You might look down the optically clear end to see what the electrodes connect to inside the bulb..... one might be a dummy(?)
            Found this on another company site: https://www.hamamatsu.com/us/en/prod...868/index.html
            pdfs are interesting.

            Reminds me of the pulsed radar tube I got decades ago, needs 30amp filament supply and 5kv anode supply and pulses to tens of kilowatts,
            a boat anchor at this point.
            Steve

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            • #7
              That looks very much like the flame sensor tube on my Karcher MPDS steam cleaner that in fact is an ex-army nuclear decontamination set surplus after the Cold War.

              I have the circuit for the whole machine, but the sensor controller is only shown as a block.

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              • #8
                I'll try and post a pic of both tubes. I do have the socket, but still hunting around for the rest of the control.

                Found one of them on Fleabay, cleat envelope: https://www.ebay.com/itm/Honeywell-1...cAAOSwQzJcFxK4
                Last edited by reggie_obe; 03-28-2019, 02:38 PM.

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