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  1. 02-15-2011, 10:17 AM #14
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    oregonhvac
    oregonhvac is offline Professional Member
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    Thank you Doug...
    Thanks for your quick response. I'm going to try the Testo 550 out for myself, I'll be picking one up in the next few days.
    Thanks again!
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  2. 02-16-2011, 08:00 PM #15
    Gunslinger
    Gunslinger is offline Professional Member*
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    Just guessing here but I think the ESD problem may be due to flowing liquid thru the guages. If you use an Imperial liquid converter at the refrigerant tank, that will break up the liquid and savae the sensors. I have not had a problem with my 2 sets but to be honest, I'm a part timer and don't use them every day.
    Doug
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  3. 02-16-2011, 08:51 PM #16
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    itsiceman
    itsiceman is offline Professional Member
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    Doug I was about to pull the trigger on a 550 after reading of improvements from Jim B.
    Questions though How do we know if the units on the shelf in our area are the improved versions?
    Also about the grounding strap. I saw no straps on display at AHR.
    So the strap is for personal safty not the DMG
    So I know it is not mandentory to use the grounding strap as far as warranty claims go?
    “If You Can Dodge A Wrench You Can Dodge A Ball”
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  4. 05-31-2011, 12:27 AM #17
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    bb
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    Quote Originally Posted by Doug at Testo View Post
    You can contact us directly anytime. All we ever ask is the chance to make it right when things go wrong. Your 550 has a 2 year warranty
    Does that cover a cracked display from a 3-4 foot fall out of a toolbag?
    Governments don't tax to get the money they need, governments will always find a need for the money they get. Ronald Wilson Reagon

    Born Again KA
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