| View Larger Image | Laser Air Quality Monitor | Kitchenby Dylos
| 1 New starting at: | $219.95 |
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| | Sales Rank: | 288,374th |
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FEATURES | - True laser particle counter developed for home use
- Counts both small and large particles
- Two modes of operation: continuous sampling or hourly sampling
- LCD display
- Stores up to 30 days of data history
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EDITORIAL REVIEWS |
Product Description
The first true laser particle counter developed for consumer use. Monitor the air quality in any room of your home accurately and easily. |
CUSTOMER REVIEWS (Average Customer Rating: 3.0 based on 2 reviews)
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Monitor Lacks Robust Design by Redmund K. Sum (Los Altos, CA USA)  3 Stars
October 31, 2009
I bought one of the Dylos monitors several months ago and I was initially quite impressed. I have the more advanced, 0.5 micron model, and it reported count readings that seemed to correlate with time of day (lower reading at night) and activity (e.g. higher reading when I am dusting) However, I was not as impressed after it started to report readings that were inexplicable. For example, after a while, the reading seem to rest on a plateau of about 2200 (which signified bad air quality), whereas before it should normally read 700. I taped a piece filter paper to cover the ingress and the reading will drop to 1700. So I called up Dylos customer and technical support, who were very friendly and helpful. However, the answers I got from them were not entirely encouraging. First, the monitor had no calibrating function. So, if you suspect the reading is too high (as in my case) or too low, you are just left wondering; and of course, once you think a test or measuring tool is suspect, you don't trust/use it! Second, both the ingress and egress of the monitor has no wire gauze to protect insects from getting inside. This is not good, because if an insect got inside and contaminated the lens, the readings would be completely meaningless. Third, worse yet, you are not supposed to open up the monitor (it will void the warranty; laser might injure your eye if you are not careful) to do any cleaning. So, if, over time, cooking grease vapor, say, condensed on the surface of the lens, the accuracy of the reading would be called into question, and you cannot do any meaningful cleaning. Dylos technical support was kind enough to check and service the monitor for me (even though I admitted to having opened the unit), but the monitor still does not work right.
So, as much as I appreciate the good folks at Dylos, who really tried to help me, I just do not find this monitor a reliable tool, due to the design flaws I outlined above, which I hope they would address in a subsequent version. I hope your experience is better.
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Good product but over priced by A light in Pennsylvania (Harrison, NJ USA) 3 Stars
April 21, 2009
This is a good product. It does measure the count of micro particles in the air quite accurately. Great for you to test the filter of air conditioning systems, but cannot test allergen (like pollen) because it doesn't do any analysis - it cannot figure out what the particles are. Therefore, it is only for dust control.
Two big drawbacks: 1. very noisy in continous mode because it uses a fan to blow in air. However, it can also run in intermittent mode, which is less annoying. Go with this mode.
2. overpriced. When it first came out in 2007, it priced at 149 dollar, which is relatively reasonable. But now it 199 dollar, way over its base, in particular, given the current state of economy. If you don't need this in a rush, wait for a while, either the price will go down, or some made-in-China version will come out with less than 80 dollar. Just check what happened to the oximeter. The following made-in-China version brought the oximter price from 200+ dollars to 70- dollar Finger Pulse Oximeter Octive Tech 300C with Easy-Carry Soft Case
Conclusion: if in a rush, go get it; if not in a rush, just wait for a while.
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