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  • Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display
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Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display

by Kidde
| 45 answered questions

List Price: $54.49
Price: $20.25 & FREE Shipping on orders over $35. Details
You Save: $34.24 (63%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
1 Pack
White
  • Large digital display is easy to read, even in low-light conditions
  • Peak-level memory displays the highest CO concentration measured since the last reset
  • Meets the requirements of Underwriters Laboratories (UL)
  • Battery operated with three AA batteries included
  • Has a 10-year life and a 10-year limited warranty
See more product details
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Frequently Bought Together

Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display + First Alert SA303CN3 Battery Powered Smoke Alarm with Silence Button + Kidde FA110 Multi Purpose Fire Extinguisher 1A10BC
Price for all three: $56.72

These items are shipped from and sold by different sellers.

Buy the selected items together



Product Information

Size Name: 1 Pack | Color Name: White
Technical Details
Part Number 21008873
Item Weight1 pounds
Product Dimensions4.5 x 1.5 x 2.8 inches
Item model number21008873
Size1 Pack
ColorWhite
Power Sourcebattery-powered
Item Package Quantity1
Batteries Included?Yes
Batteries Required?Yes
Warranty Description5 Year Warranty
  
Additional Information
ASINB004Y6V5CI
Best Sellers Rank #23 in Home Improvement (See top 100)
Shipping Weight8.8 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableMay 11, 2011
  
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Product Description

Size: 1 Pack | Color: White

Product Description

Kidde KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm w/ Digital Display


  • Digital screen with large backlit display is easy to read, even in low-light conditions
  • 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

Need more information on this product? Click here to ask.

Amazon.com

Kidde’s KN-COPP-LPM battery-operated carbon monoxide alarm with digital display helps to provide your home with extensive protection against the dangerous threat posed by the odorless and colorless gas. With an increasing number of state and local governments passing legislation requiring CO detectors in homes, it’s never been a better time to safeguard your family against carbon monoxide exposure.

At a Glance
KN-COPP-LPM
Battery-Operated
Carbon Monoxide Alarm
At a Glance:
  • Digital display allows for easy monitoring of CO levels

  • Battery operation provides best protection during power outages

  • Peak level memory displays the highest CO concentration since last reset

  • Dimensions: 4.5 inches by 2.75 inches by 1.5 inches; weighs .66 pounds with batteries

  • Five-year limited warranty
At a Glance
Kidde carbon monoxide alarm
Kidde's KN-COPP-LPM carbon monoxide detector is a free-standing unit, adding flexibility to placement around your home. View larger
Features
The KN-COPP-LPM is an essential device to help warn you and your family of dangerous carbon monoxide levels in your home. 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. The easily visible digital display indicates the level of CO that the unit is sensing, and it updates the status every 15 seconds for timely and accurate readings. Its free-standing design allows for attachment to a wall or placement on a counter or nightstand for convenient and comprehensive protection. The KN-COPP-LPM also includes a slide-out battery door that provides immediate access to the power source as well as a battery safeguard that makes it difficult to close the cover without batteries installed. An LED lighting system on the unit signals power levels and sourcing: the green LED will flash once every 30 seconds to indicate the alarm is operating properly when power is present, and the red LED will pulse to indicate carbon monoxide has been detected until the device is reset or the CO threat is eliminated. This device has an expected 7-year lifespan and comes equipped with a five-year manufacturer’s limited warranty.


What's in the Box
One Kidde KN-COPP-LPM battery-operated carbon monoxide alarm with digital display and three AA batteries.

Kidde carbon monoxide alarm Kidde battery-operated CO alarm
The KN-COPP-LPM features an easy-to-read digital display in front and an easy-access door to the batteries in back. (Click each to enlarge)

Customer Reviews

It was easy to install and very easy to work.
Paula Renee Klepac
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.
Trajork
I like the digital display because you can see the CO levels and can get a sense of any issues by simply glancing at the unit when walking by.
Kyle David

Most Helpful Customer Reviews

227 of 233 people found the following review helpful By G. Smith on August 30, 2011
Color Name: WhiteSize Name: 1 Pack Verified Purchase
I did a lot of reading on all the different type of CO1 detectors offered here on Amazon. I chose this model not only for my own home, but also for the customers I install CO1 units into their homes (I'm a contractor). This is not the cheapest model available and the same company makes one without the digital readout which is less expensive, but I believe it's worth the extra money to have the readout. That way, I feel that if there is a problem, it may be caught sooner than later if the amount of emissions are listed. This unit is guaranteed to last seven years as opposed to the other model without the readout at five years. It's one place I would not want to cut corners. I also prefer the types that are mounted at eye level and not into an outlet.
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197 of 212 people found the following review helpful By Kyle David on June 17, 2011
Color Name: WhiteSize Name: 1 Pack
This is a very convenient unit to install and figure out. I like the digital display because you can see the CO levels and can get a sense of any issues by simply glancing at the unit when walking by. I liked that it came with brand name batteries too, when I was looking at my local hardware store some of the units had generic batteries. The reason I bought a Kidde is the built in functionality. I had a smoke alarm of theirs that was acting funny, beeping every 30 seconds, so I pulled it down and right on the back it listed what each beep sequence meant (no having to hunt for a manual, or search online). This unit acts in the same manner, it's even supposed to alert me in 7 years when it is time to replace the unit, how cool is that?
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122 of 131 people found the following review helpful By Amazon Customer on February 12, 2013
Color Name: WhiteSize Name: 1 Pack Verified Purchase
I ordered this to verify one (another brand CO detector with meter) I've had went off several weeks ago. The one that I had in the house for more than three years went off and showed around 40 PPM. Since it was over three years old, I thought that it was possibly bad. So I went to Wallmart and bought a cheap CO detector without a meter. I thought I was safe, because the new one never went off. Then I read that it will not alarm until it gets to 50 PPM. I decided to buy this Kidde CO meter. My old CO detector went off again and showed about 30 PPM this time (not as cold outside during this day). I looked at the Kidde and it showed 20PPM (the Kidde alarm did not sound an alarm though). I called 911 and the firemen came to my house and took readings with their meter and showed 19 PPM. They turned off my furnace and the gas. The gas company determined that my forced air gas furnace was blowing CO throughout the house, because the furnace heat ex-changer had holes in it. They said that CO builds up in your body and is potently lethal. I actually feel physically much better now that my furnace is fixed. Sure glad I got the CO detectors WITH a meter.
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53 of 55 people found the following review helpful By Trajork on May 6, 2014
Color Name: WhiteSize Name: 1 Pack Verified Purchase
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.
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233 of 279 people found the following review helpful By Dr. Rich B on February 23, 2012
Color Name: WhiteSize Name: 1 Pack Verified Purchase
There is no doubt that short and long term Carbon Monoxide exposure can cause brain damage and/or death.

A Carbon Monoxide Alarm (CWA)detector is even required in all homes in my state of Pennsylvania and many other as well; yet I know of no one who has one in their home here. So, after getting a new HVAC system I thought the time had come to be the first one on at least my block to break down and get a CMA.

A small number of other Amazon Customers have reported (one star) that their Kidde CMA demonstrated random readings,
Unfortunately, mine did as well.
Readings of 22-29 ppm were always the readings in my house for two days.
I then took it outside for a day and it produced the same readings!
This is not acceptable to me since 22-29 ppm are either definitely problematic or at least close to it, as follows:

[OSHA PEL] The current Occupational Safety and Health Administration (OSHA) permissible exposure limit (PEL) for carbon monoxide is 50 parts per million (ppm) parts of air (55 milligrams per cubic meter (mg/m(3))) as an 8-hour time-weighted average (TWA) concentration [29 CFR Table Z-1].

[NIOSH REL] The National Institute for Occupational Safety and Health (NIOSH) has established a recommended exposure limit (REL) for carbon monoxide of 35 ppm (40 mg/m(3)) as an 8-hour TWA and 200 ppm (229 mg/m(3)) as a ceiling [NIOSH 1992]. The NIOSH limit is based on the risk of cardiovascular effects.

[ACGIH TLV] The American Conference of Governmental Industrial Hygienists (ACGIH) has assigned carbon monoxide a threshold limit value (TLV) of 25 ppm (29 mg/m(3)) as a TWA for a normal 8-hour workday and a 40-hour workweek [ACGIH 1994, p. 15]. The ACGIH limit is based on the risk of elevated carboxyhemoglobin levels [ACGIH 1].
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