Kamis, 03 April 2014

Need Help to Choose a Smoke/Carbon Monoxide Detector?




Fred


Hey everyone
I'm moving to a new apartment in Montgomery County (Maryland) and I want to get a new smoke/carbon monoxide detector. I never bought one before and I have no idea which brand is good or anything...
My new house already has a wired smoke detector and I kind of want to upgrade it. It's a one story three-bedroom condo (1000 square feet) and it uses electricity except for the water heater which uses natural gas.
I read a lot of reviews and I know I want to have both smoke detector and carbon monoxide detector. I also want to use hard wire devices with backup battery. I want a smoke detector with dual sensor (Ionization + Photoelectric).
I looked at amazon.com and I found out that all the combo devices (smoke/carbon) only uses Ionization sensors and there isn't any combo device that uses dual sensors for the smoke.
So, in your experience, should I buy two separate detectors (1 dual-sensor smoke + 1 carbon monoxide) or should I only buy a combo detector (smoke/carbon) with a regular Ionization sensor and just forget the Photoelectric sensor?
Also, can you suggest a brand that you know is good?
I don't really care about the price and my main concern is safety.
I really appreciate your helps and suggestions



Answer
"kidde" brand is good..they make a combo smoke / c.o. detecter that just runs on a battery so it can located anywhere,as opposed to having it at an outlet and occupy that outlet.[ that can be inconvenient ]....it has 2 seperate sounds for smoke and c.o. ...it also has a voice that tells you which one its sounding an alarm for.... available at home depot and similar stores........

Carbon monoxide detector says 13... is this safe?




laura


I read somewhere that 1-70 you could expieriance fatigue, vomiting, dizzyness, ect. but it's not deadly. is this true? how do you get the carbon monoxide levels to go down? any help on this would be great, thanks!


Answer
http://www.cpsc.gov/cpscpub/pubs/466.html

Standard for Action Levels
The following action levels have been defined as minimums for BPI certified Carbon Monoxide Analysts. Analysts may work for a government agency or business entity that has adopted more stringent standards than the ones defined in this document. As such, CO Analysts may enforce those higher standards. Under no circumstances shall a BPI certified CO Analyst recognize less stringent standards or ignore conditions in excess of the defined action levels. The action levels are considered net indoor ambient readings - i.e. - indoor ambient minus outdoor ambient readings.

0 to 9 parts per million (ppm)
Normal - No Action: Typical from: outdoor sources, fumes from attached garages, heavy smoking, fireplace spillage and operation of unvented combustion appliances. With ambient conditions in this range, analysts may continue testing sequences.

10 to 35 parts per million (ppm)
Marginal: This level could become problematic in some situations. Actions: Occupants should be advised of a potential health hazard to small children, elderly people and persons suffering from respiratory or heart problems. If the home has an attached garage, document CO levels in garage. Accept this level as normal for unvented appliances but not for vented appliances. If unvented appliances are in operation, recommend additional ventilation in the areas of operation. With ambient conditions in this range, analysts may continue testing to locate the CO source.

36 to 99 parts per million (ppm)
Excessive: Medical Alert. Conditions must be mitigated. Actions: Ask occupants to step outside and query about health symptoms. Advise occupants to seek medical attention. If occupants exhibit any symptoms of CO poisoning, have someone drive them to a medical facility. Enter the building, open doors and windows to ventilate the structure. Turn off all combustion appliances until the CO level has been reduced to safe levels. If forced air equipment is available, continuos operation of the air handler is recommended at this time. If the home has an attached garage, document CO levels in garage. Test combustion appliances one at a time to determine the source of CO production. If an appliance is determined to be the source of CO production, it should be shut off and not used until a qualified technician with proper test equipment can service it.

100 - 200 parts per million (ppm)
Dangerous: Medical Alert. Emergency conditions exist. Actions: Evacuate the building immediately and check occupants for health symptoms. Advise all occupants to seek medical attention. Occupants should have someone else drive them to a medical facility. If occupants exhibit symptoms of CO poisoning, emergency service personnel must be called. Evacuation is important, but Analysts must not subject themselves to excessive conditions. Maximum exposure time is 15 minutes. Open all doors and windows that can be done quickly. If the home has an attached garage, document CO levels in garage. Disable combustion appliance operation. Continually monitor indoor ambient levels while moving through the building. Once the atmosphere within the structure has returned to safe levels and the appliances have been turned back on, locate the source of CO production for corrective measures.

Greater than 200 parts per million (ppm)
Dangerous: Medical Alert. Emergency conditions exist. Actions: Evacuate the building immediately and check occupants for health symptoms. Advise all occupants to seek medical attention. Occupants should have someone else drive them to medical facility. If occupants exhibit symptoms of CO poisoning, emergency service personnel must be called. Evacuation is important, but analysts must not subject themselves to these conditions. Do not stay inside or re-enter the building until conditions have dropped below 100 ppm. Open all doors and windows that can be done quickly without entering the structure. Call the local utility to shut off gas supply (if applicable and necessary). If the home has an attached garage, document CO levels in garage if possible to do so without being subjected to high levels of CO. Once the atmosphere within the structure has returned to safe levels, restore fuel supply to appliances. Operate and test the appliances one at a time to determine the source of CO production.




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