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Thread: Dust Collection – Burn down the house or get lung cancer, which should I choose?

  1. #46
    Join Date
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    after years of sweating under a mask, I put a 18" in wall exhaust fan with louvers in the wall. Best thing I ever came up with. Pulls the dust right out (crack a window for flow and fresh air). Of course when it's freezing out, that may not work as well.
    Where did I put those band aids?

  2. #47
    Which model of the Dylos are you thinking about? I am likewise considering monitoring dust levels. Thanks

  3. #48
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    I just bought the following monitor on eBay and works well. I bought it based on the comments on the Aussie forum. They are pretty cheap $20-30.

    s-l1600 (3).jpg

  4. #49
    Larry, maybe post a link to that monitor for guys that don't know what it is ?

  5. #50
    Quote Originally Posted by Dave Sabo View Post
    Larry, maybe post a link to that monitor for guys that don't know what it is ?
    Agreed. Also does it do submicron? I see a lot of cheap meters on Amazon, generally the price shoots up for submicron, which is where all the dangerous stuff is.

  6. #51
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    Quote Originally Posted by Andrew More View Post
    ...does it do submicron?...
    Yes. If you look to the lower left of Larry's photo you'll see the PM1.0 value. PM1.0 as you probably know is the total mass of particles less than 1.0micron per cubic meter, so it's your submicron number. That monitor uses a PMS5003 sensor which is sensitive to particles as small as 0.3micron. The PMS5003 and it's variants (PMS7003 and PMSA003) are readily available separately if you like to tinker with electronics.
    Beranek's Law:

    It has been remarked that if one selects his own components, builds his own enclosure, and is convinced he has made a wise choice of design, then his own loudspeaker sounds better to him than does anyone else's loudspeaker. In this case, the frequency response of the loudspeaker seems to play only a minor part in forming a person's opinion.
    L.L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p.208.

  7. #52
    Quote Originally Posted by ChrisA Edwards View Post
    If you are really concerned about what you are breathing, get yourself a good respirator. I just purchased a Trend Airshield Pro today.
    That's quite a respirator. I have such a small narrow face that I have a hard time finding a mask that fits well. The Trend Airshield looks like it cinches at the neck so it would work for me. But it looks so big and heavy. I'd love to hear what you think of it as you use it.

  8. #53
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    EBay and Amazon have a bunch of devices built with the same sensor. They are relatively cheap and can give you a pretty good idea of your air quality. I

    A little Google searching will find them for you.
    Last edited by Larry Frank; 01-17-2020 at 8:58 PM.

  9. #54
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    Quote Originally Posted by Maureen Ragan View Post
    That's quite a respirator. I have such a small narrow face that I have a hard time finding a mask that fits well. The Trend Airshield looks like it cinches at the neck so it would work for me. But it looks so big and heavy. I'd love to hear what you think of it as you use it.
    I've been wearing it for about 4 days now. It initialing feels a little top heavy, but it stays on and it comfortable to wear for several hours. I wear prescription safety glasses, so I wear these under the Airshield. I can put the Airshield on and off without messing up the glasses on my face. There is a curtain that wraps from being the head and down just infant of your ears and under the chin. Having an elasticated edge to this curtain, it conforms to the shape and size of your face. The fan makes a bit of noise but is not loud.

    I've been putting it on whenever I'm doing any kind of power tool operation, I talke it off when I'm moving project pieces around.

    It doesn't appear to affect my vision for fine marking and measuring.

    Being 63, I usually have a few aches and pains at the end of the day, especially when I've been cutting and moving a lot of plywood, but I don't feel any issues with my neck, so the weight of the Airshield doesn't seem to be bothering me.

    So far I like it.

  10. #55
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    I used to wear a full replaceable-cartridge respirator when I was sanding aluminum, now that I just work with wood, I find a 3M n95 8511 respirator works fine and is much more comfortable, particularly after I break it in by wearing it a few hours. Makes a huge difference in the fall mowing and catching moldy leaves with my zero-turn also. Right now I am working on a big project in the garage where I don't have the advantage of my dust collection system. 3' x 12' conference room table, high pressure laminate over 1-1/8" particle board along with a matching counter top for a credenza. Oak edges. Sawing that particle board gets me a runny nose, even with some dust collection on my track saw. BTW a 3'x12' sheet of that stuff weighs 180 pounds. Not a one man job to flip it and move it around.

    NOW you tell me...

  11. #56
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    Quote Originally Posted by Larry Frank View Post
    I just bought the following monitor on eBay and works well. I bought it based on the comments on the Aussie forum. They are pretty cheap $20-30.

    s-l1600 (3).jpg
    I bought a similar unit on eBay. Honestly, its numbers are garbage compared to the Dylos, so I wouldn't waste your money.

    My $0.02
    I dream of a better tomorrow - where chickens can cross roads and not have their motives questioned

    Two hunters are hunting in the forest. One suddenly clutches his chest in pain and collapses. The other hunter calls 911 on his cellphone. "What is the emergency?" "Operator, my friend just collapsed on the ground. I think he is dead! What must I do?" "OK, first of all, make sure he is really dead." "OK then…" BANG! "Now what?"

  12. #57
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    My thoughts. Both as an cardiothoracic anesthesiologist and an avid woodworker. So I think about my lungs and other people's lungs a lot.

    1.) Buy the best dust collector you can afford / fit in your shop. Buy once, cry once.

    2.) I went with 7" dropped down to 6" for most runs with my 5HP Oneida. Worked well on tools that have good design for dust collection.

    3.) Overhead air filters make a huge difference. I have 2 Jet units (overkill), but with my Dylos unit I can see that they make an unbelievable difference.

    4.) Buy a good P100 respirator (I use the 3M ones. Reasonably comfortable).

    5.) My rule is that I don't take off the respirator mask until the Dylos reads back to ambient levels. 500 particles in my case.

    6.) I really think that the Dylos meter was money incredibly well spent. They are impressively accurate. Mine picked up a weird anomaly a few months ago that I was stumped by. My ambient air became roughly 6 times worse than I had ever seen. I took it outside - same readings. Very bizarre. It turns out, my local paper wrote an article I saw a week later about a sandstorm from Lake Mali in Africa that was dumping sand out of the atmosphere on Tampa Bay and the Gulf of Mexico. My Dylos actually picked this up. Truly amazing.

    7.) If you think sanding is bad, try using a hammer drill on cinder block walls and measure the particles in the air. Easily 5-10 times worse than sanding.

    8.) Seeing patients with bad COPD - it's pretty terrible. Do everything you can to avoid breathing this stuff. The small particles are really bad for you.

    9.) SCMS dust collection is terrible. Even with my Festool Kapex hooked up to a HEPA festool vac. Nature of the beast / designs.
    I dream of a better tomorrow - where chickens can cross roads and not have their motives questioned

    Two hunters are hunting in the forest. One suddenly clutches his chest in pain and collapses. The other hunter calls 911 on his cellphone. "What is the emergency?" "Operator, my friend just collapsed on the ground. I think he is dead! What must I do?" "OK, first of all, make sure he is really dead." "OK then…" BANG! "Now what?"

  13. #58
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    Quote Originally Posted by Alan Lightstone View Post
    I bought a similar unit on eBay. Honestly, its numbers are garbage compared to the Dylos, so I wouldn't waste your money.

    My $0.02
    Please define "garbage". Off by 20%, off by 100%, off by a factor of ten? Have you or others done a side by side comparison of numbers for you to make this claim? If so could you provide or reference the comparison? When someone trashes a tool, I expect more than just what appears to be an opinion. I would never pay over $200 to get particle counts, but I might spend $30. I don't doubt that a more expensive tool will generally do a better job, the question is how much better and is the tool worthless for the use intended?
    NOW you tell me...

  14. #59
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    Quote Originally Posted by Ole Anderson View Post
    Please define "garbage". Off by 20%, off by 100%, off by a factor of ten? Have you or others done a side by side comparison of numbers for you to make this claim? If so could you provide or reference the comparison? When someone trashes a tool, I expect more than just what appears to be an opinion. I would never pay over $200 to get particle counts, but I might spend $30. I don't doubt that a more expensive tool will generally do a better job, the question is how much better and is the tool worthless for the use intended?
    Agreed. What exactly is meant by "garbage"? Or is it another metric vs imperial argument? (Dylos is imperial and Plantower is metric. There's a factor of 28 to convert.)

    For side by side comparison this is interesting.

    The Australian forum Larry mentioned also includes some comparison data but linking to it is prohibited here.
    Last edited by David L Morse; 01-18-2020 at 11:24 AM.
    Beranek's Law:

    It has been remarked that if one selects his own components, builds his own enclosure, and is convinced he has made a wise choice of design, then his own loudspeaker sounds better to him than does anyone else's loudspeaker. In this case, the frequency response of the loudspeaker seems to play only a minor part in forming a person's opinion.
    L.L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p.208.

  15. #60
    Quote Originally Posted by ChrisA Edwards View Post
    I've been wearing it for about 4 days now. ... So far I like it.
    I've read a bunch of complaints on Amazon that the filters clog up really fast and the little air meter alarm goes off. The replacement filters cost a ton, so people were disappointed. Have you done any really dirty work like sanding yet?

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