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  #1  
Old 02-23-2012
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Carbon Monoxide (Lots of research, no solid answers)

I just spent the last four hours researching CO detectors, mostly out of frustration that after so long I could not simply find a proven product.

There are people who are saying they use regular home CO detectors from home depot like the below (I like that they have batteries, a screen to add comfort, and are cheap enough that you can buy a couple models for redundancy)

Amazon.com: Kidde KN-COPP-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated with Digital Display: Home Improvement

Amazon.com: First Alert CO615 Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display: Home Improvement

Amazon.com: Kidde KN-COPP-B Front Load Battery-Operated Carbon Monoxide Alarm with Digital Display: Home Improvement

There are also people who say that these tend to be set off too easily and that it is worth paying more for marine grade sensors that won't set off with common boat cleaners, etc.

MTI Industries 65-541-WT 12-V Surface Mount Hard Wired Carbon Monoxide Alarm
Amazon.com: MTI Industries 65-541-WT 12-V Surface Mount Hard Wired Carbon Monoxide Alarm: Home Improvement
Marine Technologies Boat Carbon Monoxide Detectors

Amazon.com: Fireboy-Xintex Xintex Carbon Monoxide Detector: Home Improvement


Has anyone heard anything definitive for one way or another? Any personal experiences?

Thanks so much.

Currently I'm leaning towards getting the hard wired Safe-T-Alert "marine grade" and the Kidde battery operated/LCD version for redundancy. I'm not itching to spend the money but I figure it's a very worthwhile investment. Would prefer to just know a product that worked very well and stick with that though.
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Last edited by maine89; 02-23-2012 at 01:52 AM. Reason: typo
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Old 02-23-2012
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Lightbulb

We have a thread on this topic over at EY.org, and I wonder if the model of detector is similar to the one I installed and still use?
CO Detector on duty

I know that ours works, FWIW.

LB
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Old 02-23-2012
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That's good stuff olson34, to summarize for anyone else, there was someone using:

Amazon.com: ProTech 7035 Lithium Battery Powered Carbon Monoxide Detector with Digital Display and Memory: Home Improvement

another using:
Xintex CMD-1MR-9V

and another using:
Amazon.com: MTI Industries 65-541-WT 12-V Surface Mount Hard Wired Carbon Monoxide Alarm: Home Improvement

But no real explanation of which was better for any particular reason other than someone had issues with their home version having false alarms (which they believed was due to batteries onboard).

The Safe-T-Alert one went off as needed for someone but I'm still concerned that they have no visual screen for levels so you just need to hope it is working properly when you see a green status light.

I'm still leaning towards getting a marine and a home edition so they can get each other's backs, but I'm quite ignorant in this area so I'm certainly still open to opinions
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Old 02-23-2012
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I have the saftey-t-alert and it has CO alert memory




*Features Include:

Memory Scan™. Retains the CO level that activated the alarm. Invaluable tool for first responders (Coast Guard, Marina Personnel, etc.). After ventilation it is impossible to know what the CO level was unless your alarm has memory.
Fully Operational During Mute. Mute does not override detection circuit, giving you full time protection.
Micro Current Technology.Saves precious battery power.
Advanced Time Weighted Average sensing technology programmed to 10% COHb curve. Eliminates Out-Gassing alarms.
Long Life, Self Cleaning Sensor. Maintenance free sensor. No recalibration of the sensor required.
Loud 85 dB Alarm. Alerts you to CO danger.
Test/Reset Button. Used to temporarily silence alarm during ventilation. Tests all detector functions and activates Memory Scan.
Marine Operating Specifications

UL Listed to UL 2034-2005 for Marine use, including March 8, 2007 revisions. Meets ABYC A-24 recommended standards.
Marine environment tested for salt water spray, cooking fumes, shock, humidity, temperature extremes, vibration and corrosion.
Power 12 vDC, operational range 8-16 volts.
Micro Current Technology: 60 milliamp (.06 amp.) current draw.
Widest Operational Temperature Range Available:-40°F to +158°F
(-40°C to +70°C).
Relative Humidity: 15% to 93%.
Confirmation Circuit: Yes - Circuit reconfirms CO levels before alarming.
Audible Alarm: Minimum 85dB @ 10 feet.
Case Dimensions:
Model 60-541 Surface Case - 5.5"W x 3"H x 1.3"D.
Model 60-542 Flush Case - 6.5"W x 3.5"H x 1.25"D.
Weight: 60-541 / 542 = 0.43 lb.
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Old 02-23-2012
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Been using the kiddie nighthawk for a couple years. I like the fact that it as a DISPLAY that shows PPM of CO. I've used it near my aladdin lamp and it once showed 34ppm, which I would guess was accurate. You can also clear the data and see if it reads CO again. Ie see if the exposure was a one time thing (flare up of the lamp during inattention) or a constant problem.

From a medical point of view, CO gets called a "silent killer", and if you're sleeping it surely will kill you without you waking up. If you're awake on the other hand, you might likely notice what's going on. The first symptom of exposure is a massive headache. If you have a device running that can possibly produce CO and you get a raging headache, it very well could be CO. You don't have to worry about becoming delirious and drifting off to coma and death without first being warned by a headache. Of course if you ignore the warning, next you'll be drunk and may not have the faculties left to fix the situation.

So, buy a regular one and be aware for bad headaches on the off chance it malfunctions. If you sleep with a CO producing device on board, and the thought of detector failure will keep you up at night with worry, buy 2. I wouldn't bother buying "marine grade".

MedSailor
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Old 02-24-2012
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They go bad after awhile, IIRC. Ours is 12v and wired to the house bank switch. When anything is on, it's on. I'm thinking this helps make it last longer, since we are ashore 10x more than onboard.

With the oven on, the CO detector goes off if I leave the oven door open. It doesn't go off if the oven door is closed. I find that very interesting, that having the door closed helps make for more complete combustion.

A couple years ago, our insurance company made us promise to get a CO detector as a condition of renewal. There was no argument from me, since it seemed like a good idea anyway.

Regards,
Brad
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Old 02-24-2012
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Quote:
Originally Posted by maine89 View Post
I just spent the last four hours researching CO detectors, mostly out of frustration that after so long I could not simply find a proven product.

There are people who are saying they use regular home CO detectors from home depot like the below (I like that they have batteries, a screen to add comfort, and are cheap enough that you can buy a couple models for redundancy)

Amazon.com: Kidde KN-COPP-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated with Digital Display: Home Improvement

Amazon.com: First Alert CO615 Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display: Home Improvement

Amazon.com: Kidde KN-COPP-B Front Load Battery-Operated Carbon Monoxide Alarm with Digital Display: Home Improvement

There are also people who say that these tend to be set off too easily and that it is worth paying more for marine grade sensors that won't set off with common boat cleaners, etc.

MTI Industries 65-541-WT 12-V Surface Mount Hard Wired Carbon Monoxide Alarm
Amazon.com: MTI Industries 65-541-WT 12-V Surface Mount Hard Wired Carbon Monoxide Alarm: Home Improvement
Marine Technologies Boat Carbon Monoxide Detectors

Amazon.com: Fireboy-Xintex Xintex Carbon Monoxide Detector: Home Improvement


Has anyone heard anything definitive for one way or another? Any personal experiences?

Thanks so much.

Currently I'm leaning towards getting the hard wired Safe-T-Alert "marine grade" and the Kidde battery operated/LCD version for redundancy. I'm not itching to spend the money but I figure it's a very worthwhile investment. Would prefer to just know a product that worked very well and stick with that though.
If installing one the easy answer is to install one that meets the current "accepted" safety standards:

"ABYC A-24 CARBON MONOXIDE DETECTION SYSTEMS

24.5 REQUIREMENTS - DESIGN AND CONSTRUCTION

24.5.1 Detectors shall be certified by an independent third party to meet the requirements of UL 2034, Single and Multiple Station Carbon Monoxide Detectors and section 72A Carbon Monoxide Alarms for use on Recreational Boats.
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Last edited by Maine Sail; 02-24-2012 at 10:27 AM.
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