I got these two days ago and they alarmed the first night. I opened the
windows and deduced that it was probably my tankless water heater which
was recently installed and failed inspection. It is scheduled to be
brought up to code this week.
To prove my theory I made sure the
central heat was off for a day and we hadn't used the clothes dryer for a
few days and I put one of these detectors in the laundry room where the
tankless water heater is installed. We have one of those large jacuzzi
style baths in the master bathroom (hence the need to have the tankless)
and we took a bath last night. When we were done the alarm was going
off. I had done some minimal research before doing this test and knew
that too high of a level (12,800 ppm) can kill you instantly after just 2
or 3 breaths. I had read that 400+ can be lethal. Wikipedia states 800
ppm will cause dizziness, nausea, and convulsions within 45 min and you
will be insensible within 2 hours and 1600 ppm can kill you in 2 hours.
So I went downstairs to see what the reading was.
I held my breath and went in. 875ppm is what it read. I called 911 and the firemen came.
My
wife, 2 year old, and 2 month old were upstairs and in a room with the
windows wide open. They came in and took their readings. They said they
are not allowed to work in an environment where the levels are above 30
ppm without respirators. The windows had been open for 15 minutes and
they were still getting readings over 70.
Later, we compared what
their professional monitor said to what the my 2nd First Alert Carbon
monoxide detector was reading (remember I bought two of these). Their
reading matched exactly what this unit displayed. So you can trust these
devices.
Please trust your device. Thats what you bought it for.
Call 911. Open windows or get out of there. The long term affects of
Carbon Monoxide exposure can cause heart problems, learning
disabilities, and many other terrible things. I am now worried about
what this has been doing to my family over the last 4 months since the
water heater was installed. Like I said I have a 2 month old.
I
ordered and received this item timely from Amazon. The product was well
packaged and the directions for use were easy to follow. The product is
nicely constructed, easy to use, and seems to work well. I like the fact
I can push one of the buttons located on the front of the unit to see
if the unit has picked up any CO levels from the area it is located. It
is designed to plug into a wall electrical outlet and also has a battery
backup. The unit is small and appears out of the way when it is plugged
in and being used. So far, the two units I bought are working well so I
give this product a rating of 5 stars.
Update: Jan. 14, 2011 - I
have now owned two of these devices for over two years and each one is
still working just fine. I have had to replace the back up battery on
each just once a year, which is fairly standard, so the devices seem to
be well built and last.
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