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  1. #1
    Fellow Frogger!
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    Default pyrometer

    Any suggestions about the best source(s) of a pyrometer suitable for automotive use?

    My immediate use is to detect temperatures around the cooling system.

    Chris

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  2. #2
    1000+ Posts jo proffi's Avatar
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    Jaycar sell an infra red gun for about $70.

    I use one with a high max temp because I like to measure exhaust manifold temp rather than use my finger. This is handy for checking each cyl is running the same mixture as its mates.

    There is a bit of a method for measuring shiny things or water, but once you come to grips with that , its easy.
    I use mine for....
    Water temp,
    beer temp(When I forgot to cool it and have it in the freezer and want it NOW)
    wheel baring temp,
    tyre temp, (inside, middle and outside),
    cooling sytem temp,
    Surface temp after heating surface prior to painting.
    exhaust manifold temp
    PS fluid temp

    Jo

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    1000+ Posts michaelr's Avatar
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    Or less than $25 from Hong Kong :

    http://www.ebay.com.au/itm/170728203...84.m1438.l2649
    Michael
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    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by michaelr View Post
    Thats Ok for cooling systems, and at a good price, but no good for exhaust temp readings
    Temp range,-50- 380 C.
    The Digitech one from Jaycar is rated -50 - 550 C.


    Jo

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    Fellow Frogger!
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    Thanks for the suggestions, Jo and Michael.

    Chris

  6. #6
    con
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    Quote Originally Posted by Citquery View Post
    Any suggestions about the best source(s) of a pyrometer suitable for automotive use?

    My immediate use is to detect temperatures around the cooling system.

    Chris

    This is the one I use. It does most jobs competently -

    http://www.altronics.com.au/index.as...=item&id=Q1282


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    That's a practical one con, its best feature being the 6:1 optical ratio.
    Chris, that would be a good one.
    If you wanted to outlay less, then here's another option
    Jaycar
    QM-7225 @$34.95
    This unit is cheaper being more compact and able to be held in cramped spaces where it is most useful.
    It will also perform as much as you are ever likely to need without a massive expense. Optical ratio is only 1:1.

    Now, for the real budget minded owner out there, try this one from eBay
    http://www.ebay.com.au/itm/Mini-Digi...item19ca11827f

    At $15 with a 2:1 spot ratio, including postage, another option.

    The gun type is inconvenient under the bonnet of a D.
    Doubtless there are others, I have one bought from the US, a few years ago, made in China, accurate and calibrates perfectly. A little more expensive than the one above.

    Hope this helps.
    Last edited by richo; 9th December 2011 at 12:41 AM. Reason: more options

  8. #8
    Fellow Frogger!
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    Default pyrometer

    Thanks again for your suggestions everyone - I decided that spot ratio and the ability to get into small spaces were two key criteria, so I've ordered the $60 job from WA.

    Chris

  9. #9
    Fellow Frogger!
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    Great service from Altronic in WA. Delivered to Adelaide within 24 hours. Now to see how well it works.

    Chris

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