Thread Number: 35275  /  Tag: Brand New Vacuum Cleaners
Particle counter testing
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Post# 379616   10/12/2017 at 15:02 by vacuumdevil (Denver)        

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Over the years I've worked different places that have particle counters and I personally know which vacuums contain dust and which do not.I wish to share this knowledge. Right now I have access to an IQ air particle tester down to .03 microns.

Please let me know if there are any vacuums you'd like me to test. I have access to a lot of different machines that come in my shop but I'm definitely not going to have access to something rare. I'll try to post a video with the results.

Post# 379641 , Reply# 1   10/12/2017 at 23:01 by panasonicvac (Wasatch, Utah)        

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About the Simplicity test, how come these two other videos received different results from the Synchrony and the Symmetry in the exhaust?

Post# 379651 , Reply# 2   10/13/2017 at 01:58 by vacuumdevil (Denver)        

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The first video with the s30 tested has the bag cover off and the particle counter held directly up to the filter. This doesn't address the fact that air around that leaks out next to the filter. Also the motor cooling filter dumps air in that section as well with the cover on.

As I said earlier the S40 at the filter will blow 0 in the particle counter but if you put the particle counter next to it or around other parts of the machine where air leaks out it will Spike the particle counter.

The bad quality and filter quality of these machines is excellent right now. Definitely do a decent job filtering when air moves through them.
But ds40 still leaks out dust from various crevices.
Full bypass vacuums with sealed HEPA post motor filters are really the only things that are going to blow a zero.

Tandem air machines as I stated are not designed to filter super fine particulate the HEPA filtration was an afterthought. This is why Tacony as had to make so many different versions of their full size tandem air filters.

Post# 379654 , Reply# 3   10/13/2017 at 05:57 by Tseg (World Traveller)        

So 2 different issues here... #1: is the filtration designed to approach 0 particle count and #2: is the machine designed to seal tight the airflow through the machine.

#2 requires much more comprehensive testing methods than #1. vacuumdevil identifies the 2 separate issues, but only scratches the surface in his testing. A further question surrounding #2 relates to volume of air through leaks, not just dirtiness of air through leaks. It is all interesting and one we likely cannot address comprehensively.

Post# 379722 , Reply# 4   10/14/2017 at 02:50 by tolivac (Greenville,NC)        

I have the same IQair particle meter so I can test the vacuums myself.Got from a vac shop that went out of business.Previously before these meters were used for testing vacuums-they were common in the HVAC industry.The "Lux shop here has a similar meter-theres is not cordless so it has to be plugged into an outlet to work.Otherwise it works the same as the IQair meter.I have the Lux one,too.

Post# 380151 , Reply# 5   10/22/2017 at 19:14 by rvarley (Oregon)        

That tandem air machine is way too noisy for me. Had one of the dual fan Tacony machines. It was a tank. No thanks. Tacony's little Supralight, while still noisy, is not at all clumsy and still does a fine job cleaning the carpet, floors some upholstery (low setting).

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