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Description:
About this item:
The Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, model 900-0146, is a carbon monoxide detector that uses electrochemical sensor technology to detect carbon monoxide. The CO detector is powered by 2-AA alkaline batteries located in the back of the unit, providing easy installation & no wiring, plus coverage during a power failure. The alarm is conveniently designed and portable enough for travel - simply install it on a wall or place it on a tabletop. When carbon monoxide is detected, an 85-decibel alarm will sound & a red LED will flash. A green LED indicates that the alarm is receiving power. The test-hush button allows you to test the battery operations as well as temporarily silence the low battery chirp warning. Plus, peak level memory records the last time carbon monoxide was detected or when the unit was last tested. Install a smoke detector & carbon monoxide detector on every level of your home and near bedrooms to help keep your family safe from fire & poisonous gas. UL Certified with a 10-year limited manufacturer's warranty.
From the Manufacturer
Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm w/ Digital Display - Digital screen with large display is easy to read - Peak-level memory displays the highest CO concentration measured since the last reset - Meets the all UL requirements - Battery operated with three AA batteries included - Backed by a five-year warranty
The new Kidde KN-COPP--LPM carbon monoxide alarm is the only battery-operated alarm that includes a digital display feature. This key feature adds an advanced level of protection that you have come to expect in a Kidde manufactured product. The battery operated CO alarm includes multiple mounting options, allowing installation on a wall or tabletop. This alarm has been carefully designed and tested to detect CO concentration in a residential environment. It provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The digital display feature allows for easy viewing of carbon monoxide levels from 30-999 PPM (parts per million). The KN-COPP-LPM will also detect and store concentration CO levels as low as 11 and up to 999 PPM with its peak level memory display. This alarm includes a snap-on cover that gives immediate access to the batteries and a safety feature that makes it difficult to close the cover without the batteries being installed. Updates digital reading every 15 seconds, allowing you to see if levels change. The peak level memory displays the highest CO concentration measured since the last reset. The test/reset button tests CO alarm circuit operation and allows you to immediately silence the alarm. A low battery signal alerts users when the batteries need to be replaced. Includes informative LEDs: green LED for normal operation, red LED for alarm. The alarm alerts user to replace CO alarm after 7 years of operation.
Review:
4.8 out of 5
96.92% of customers are satisfied
5.0 out of 5 stars Works Well, But Read the Fine Print!
Attractive; Easy to Activate; Detects and Alarms Appropriately. I always read the 1 star reviews before buying a product. Some disturbing comments were: "batteries are impossible to insert" -- I had no trouble inserting the batteries (fit firmly but install with gentle pressure); "Tested with CO and got NO Audible Alarm" -- this was a big red flag, so I tested my unit upon activation. At 500+ ppm CO got good LED visible readout, but NO audible alarm. Was ready to repackage and return, but re-read the product information sheet: "This alarm measures the exposure to carbon monoxide over time; it is designed to sound at 85 decibels at 10 feet when it detects 70 ppm (parts per million) of CO for 60 to 240 minutes, 150 ppm for 10 to 50 minutes, or 400 ppm for 4 to 15 minutes." I retested, exposing unit to 400-650 ppm CO and got an audible alarm at around 6 minutes. Removal from source, display returned to zero and audible alarm ceased. Much more assured that the unit works properly. And Audible Alarm times are well within guidelines for exposure to CO and symptom development (see photo). Also really like that I can replace batteries. Previous units with sealed batteries didn't last anywhere near the 10 year "useable life" advertised.
5.0 out of 5 stars CM detector
Works well, easy placement, looks good
5.0 out of 5 stars Excellent Value
It works as advertised
4.0 out of 5 stars Great replacement
Like the size , very easy to install , loud 🔊 alert alarm.
5.0 out of 5 stars Tested with CO in closed container at varying concentrations. Worked very well!
With emergency products like CO detectors, it's hard to know if they really work unless you're actually being exposed to dangerous amounts of CO. And if a CO detector doesn't work, you wouldn't know; instead, you'd just be poisoned while thinking that nothing was wrong. The only way to really find out if it works is to put it in an airtight container and generate CO.Because I like to play with dangerous chemicals at home, I decided to try this out. Adding formic acid to concentrated sulfuric acid causes the formic acid (HCOOH) to break down into CO and H2O. I got both of these chemicals for less than $10/liter apiece, plus shipping. I put some sulfuric acid into a graduated cylinder and placed it in a 1-gallon airtight plastic container. I then added small amounts of diluted formic acid and rapidly closed the container.Sure enough, it worked! It registered CO concentrations that were well within the ballpark of what I'd expect to get with the amount of formic acid I added (using the ideal gas law to figure out what the maximum CO level would be). In high concentration tests, I found that the alarm goes off within 3 minutes of hitting 500 ppm (which is dangerous but would take several hours to kill, giving plenty of time to get to fresh air). In another test, it went off after about 20 minutes of CO levels around 190 ppm, which is dangerous but not lethal. Its peak reading is in the 910-920 ppm range; it doesn't display levels higher than that. Needless to say, it goes off within a minute or two of such high CO levels and anybody who sees 900+ ppm on the display should leave their house and seek medical help immediately.It worked well in low concentration tests too. Due to some strange US regulation, it displays "0" for any reading below 30 ppm. If you press the "peak level" button, though, it will tell you what its peak reading was even if it was below 30 ppm. This works down to the 10-15 ppm range, below which you don't really have to worry about CO at all. Prolonged exposure around 50 ppm leads to an alarm after a couple of hours.Another, simpler test (which anyone with a CO detector should do to make sure it's working) is to light a candle in an enclosed container with the CO detector, then close the container. The candle will burn through the available oxygen and a fair amount of incomplete combustion (releasing CO instead of CO2) will occur as it runs out of O2. I tried this and got 96 ppm with a small candle in my gallon container; a larger candle would probably release more. I then tried it by lighting a crumpled piece of newspaper in the container and got >910 ppm, which is reasonable because paper and wood experience pyrolysis, which releases lots of CO. Combustion of small amounts of acetone (a fairly clean fuel relative to paper) resulted in 300-550 ppm depending on how hot the fire got before I put the lid on; the lower reading relative to paper helps confirm that it's reading accurately.In conclusion - this $20 detector works very well when tested with real CO. It's accurate, the alarm goes off at dangerous CO levels, it only goes off if CO levels are dangerous, and it might just save your life.
5.0 out of 5 stars Warranty and use is 10 year, not 5 year as advertised in the listing
Unsure why it is listed as 5 year warranty and 7 year life. The model KN-COPP-B-LPM has both 10 year warranty and 10 year life expectancy. So far seems to work OK.
5.0 out of 5 stars Great detector!
These last about 10 years. Great safety measure in the house. Easy to use and mount. Batteries last about 4-5 years, they are awesome knowing your safe and getting a good early detection!
5.0 out of 5 stars I feel safer
Carbon Monoxide is the silent killer. It's colorless and odorless. This works like it's supposed to and lasts 10 years. It was easy to install, just 2 screws, put the batteries in, and slip it on the mounting plate.
A must have for homeowners
I have had these Kidde products before and they have lasted a very long time before they reach their "end of life." I purchased this carbon monoxide detector to replace an older Kidde model and so far it has been tested and definitely works, let's hope it never has to beep that loudly again. I recommend this Kidde carbon monoxide detector because it is battery operated and has a useful LCD screen to show relevant information. Mounting screws and batteries were included along with a manual that you should read as it has placement and function details.
Trusted brand we have had many other Kidde units
The battery placement was a bit confusing but managed to sort out.
digital display
I had an identical one which had the name Garrison on it and it lasted 10 years when it stopped working due to its programming. It gave me no problems so I searched for the same item and I found this one which now has the name Kidde on it. I like the digital display feature.
CO detector
It seems to be a good product. I mean I've never had excessive CO in my house, so I don't know for sure.But the batteries last for a very long time.
fast delivery
different brand but exact model to replace my old unit that expired due 2 age
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Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
BHD16763
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Product origin: United States
Electrical items shipped from the US are by default considered to be 120v, unless stated otherwise in the product description. Contact Bolo support for voltage information of specific products. A step-up transformer is required to convert from 120v to 240v. All heating electrical items of 120v will be automatically cancelled.
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