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  • MaartenV18 commented on petercd's instructable How to Make a Negative Ion air ionizer2 years ago
    How to Make a Negative Ion air ionizer

    Hi, if you measure 6 kV on the carbon tips, does that mean it produces positive ions? I measured on some Chinese ionizers and I measured -6 kV... Thanks.

    Hi,Ok, thanks for your reply. Its an industrial custom made one we are testing at work, but i guess our electronics specialist was sleeping or something ?. Its for reducing fine dust in big spaces.

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