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Ph testing of solar circuit

DD_5
DD_5 Member Posts: 36
in Solar
It's time to go out and maintainance check  the solar installs I did a couple of years ago. Both are closed loop Caleffi systems with Dow glycol.

I need a reliable, easy to carry, cost effective test kit for Ph etc...

Any suggestions?
Double D

Comments

  • hot_rod
    hot_rod Member Posts: 20,725
    here are some choices

    check here for the glycol tester to show freeze protection. Shop around prices vary.



    www.misco.com/category.php?categoryid=24



    For ph I use a Hach electronic pocket meter. Extech is another brand in the 100 dollar range.



    hr
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
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