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Thread: A Different Low Coolant Alarm

  1. #1
    justfishing Guest

    A Different Low Coolant Alarm

    Hello,
    I read this so thought I would give it a go....as pushed my luck a couple of times and been very lucky.................here is the link to The D2 Boys Club in the Uk.

    The D2 Boys Club. - Login

    It is a proximity sensor sees thought the plastic expansion tank. It took a little adjusting the little screw at the rear of the sensor to make it read right, but not hard. I did use the wrong relay at first but then brought the right one.

    I have a couple of other gauges to install as well so will make a little pod that sits on top of the dash somewhere.
    But all good turn on ignition and get a squeak from it.
    I do have a couple of photo's but only on my laptop so unable to link them.

    I got relay from Jaycar, and a alarm LED combo from ebay
    eBay Australia: Buy new & used fashion, electronics & home d

    Ian

  2. #2
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    Forgot I had a login to that web****e. After taking a look I remember why I don't visit.

    It seems like a good idea but wonder how it goes on inclines. Obviously you can't really set it up to detect a 1cm drop or you'd be getting false alarms all the time...

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    the idea of not invading the cooling system is a good one,,
    always think the worst,, if the car blows a hose will it react as quick as the other systems?
    "How long since you've visited The Good Oil?"

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  6. #6
    justfishing Guest
    Hello,
    I have tried it and it reacts instantly, like the comments before setting up it a little hassle, I have mine positioned about a 1/3 of the way down the tank, so inclines do not set it off, but if I do lose my coolant it does go off. For what it cost it is very cheap insurance. If you can see the article on D2 club I can try to post photo's of mine and give a better idea how it works.
    Ian

  7. #7
    schuy1 Guest
    Quote Originally Posted by Pedro_The_Swift View Post
    the idea of not invading the cooling system is a good one,,
    always think the worst,, if the car blows a hose will it react as quick as the other systems?
    Invading the cooling system with a low coolant alarm is really no different than when we replace the crappy nylon plugs with a solid brass 1 A sensor immersed in the coolant flow will always react faster and more consistently than an outside 1 hanging in the breeze!
    Cheers Scott

  8. #8
    justfishing Guest
    Quote Originally Posted by schuy1 View Post
    Invading the cooling system with a low coolant alarm is really no different than when we replace the crappy nylon plugs with a solid brass 1 A sensor immersed in the coolant flow will always react faster and more consistently than an outside 1 hanging in the breeze!
    Cheers Scott
    Hello Scott,
    If you read my first post the word "Proximity" means next to or beside, not inside this sensors sits OUTSIDE the tank. It looks at the density of the water on the inside of the tank looking through the plastic tank. When it can not see anything inside it signals to the relay that it is turned off, so this happens very quickly.
    Ian

  9. #9
    schuy1 Guest
    Yes Ian I did read and understand that it is a "proximity" sensor . I was replying more to Pedro regarding non invasive surgery . Im always of the thought outside sensors are prone to outside interference in thier operation, although they do seem to work ok. Maybe Im just wary . If it works thats good.

    Cheers Scott

  10. #10
    justfishing Guest
    Quote Originally Posted by schuy1 View Post
    Yes Ian I did read and understand that it is a "proximity" sensor . I was replying more to Pedro regarding non invasive surgery . Im always of the thought outside sensors are prone to outside interference in thier operation, although they do seem to work ok. Maybe Im just wary . If it works thats good.

    Cheers Scott
    Hello Scott,
    Opps............... apologies
    Ian

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