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question about W1209 Temperature relay controller

Discussion in 'General Electronics Discussion' started by jon5500, Nov 15, 2020.

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  1. jon5500

    jon5500

    71
    3
    Oct 31, 2020
    Not sure if anyone here uses one, but I have a question about the W1209 temperature relay controller. For my application, I would need the sensor to unit distance to be about 3-4x greater than it is (about 12 feet or so). Is it possible to extend the sensor cable length with standard two conductor hookup wire, or does it use special wire? Thank you.
     
  2. Bluejets

    Bluejets

    4,833
    1,014
    Oct 5, 2014
    Do you have a link...save everyone having to chase it down and end up with the wrong device.
     
  3. jon5500

    jon5500

    71
    3
    Oct 31, 2020
    Yes, the link is here. Since I posted, I also found out that the sensor is a thermistor. That link shows the same one with leads of 10m, so it looks like I could extend it.
     
  4. debe

    debe

    267
    68
    Oct 15, 2011
    Just use ordinary copper twin wire. I extended mine to about 15 ft to monitor a hot water system.
     
  5. jon5500

    jon5500

    71
    3
    Oct 31, 2020
    Thanks for the info. Do you actually use the unit in question, or a different one? I had one other question about the current capability of the relay @ 12 VDC. On pictures of the relay, it shows 20 A, but descriptions are often saying 10 A. At 12 V, 7 to 8 A would be passing through it.
     
  6. Bluejets

    Bluejets

    4,833
    1,014
    Oct 5, 2014
    Best to put what you can see in here for others to see without having to hunt for details.
     
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