pclab wrote:Found some used on ebay: https://www.ebay.com/itm/Dylos-Laser-Pa ... ondition=4
LarrySabo wrote:I've been told by Dylos that they have recently cleaned units for this reseller, and re-calibrated them for 0.3 and 0.5 microns, and also that this reseller is known to them and honest.
LarrySabo wrote:Yes, I still have that one. I thought Jared already made a comparison with his Dylos? I'll look for that post. If I can't find it, I'll do a test myself.
Edit: Here's Jared's post of his findings with the cheapo meter vs his Dylos 1100 Pro. IIRC, my Dylos measures 30-50 thousand particles per cubic foot in my lab, which is consistent with what the standard says is normal (35 thousand). It's hard to believe Jared's normal (unfitered) environment should read 1200 thousand particles per cubic foot vs my 30-50 thousand, especially given that my lab is in my unfinished basement! Without a calibrated particle counter for comparison, this exercise is turning into a mug's game. I'll do more testing.
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