CO Detectors - A/C with line cord and digital display?

I have a plugin CO detector in my basement. It is a Nighthawk and has a red LED readout and an audible signal. Got it at HD. Here is the Nighthawk web site. The model shown is a newer design than mine. Mine doesn't have battery backup.

I don't see any line cord.

Don .

Nighthawk, and for the basement they have a model that also has a natural gas detector Co detector in one unit, with digital display. The plug in, with cord, Co digital read out has been available for years and has battery backup

Remember one thing about CO detectors, they read what is specified by CPSC. That level of read out is unacceptable.

The best CO detectors ( and the ones I have in my house are here.

FWIW, Here is the info off of a line card.

Desirable level 0 PPM Acceptable level of CO in any living space 9 PPM Max Concentration for continuous exposure in any 8 hr. period 50 PPM Frontal headaches 1 to 2 hrs, life threatening after 3 hours 400 PPM Nausea and convulsions, death within 2 hours 800 PPM Nausea within 20 minutes, death within 1 hour 1600 PPM Death with in 1-3 minutes 12,800 PPM

I got this info from Bacharach, Inc., makers of test instruments. They do have a website,

Just because they don't show the cord, doesn't mean it doesn't have one. Why would it have a battery backup then?

How so? CO detectors are designed to detect CO released from malfunctioning combustion appliances. Pretty much any CO detector out there will accomplish this job just fine.

If you're truly paranoid and want to have protection against even really low levels of CO, then spend your money and buy one of the highly- overpriced "low level" detectors. Chances are you'll quit using it when it keeps alarming for no good reason.

The best defence against carbon monoxide poisoning is ensuring that your furnace, gas fireplace, and any other combustion appliances are in good working order and inspected professionally once per year. Carbon monoxide detectors are simply a backup in case something goes wrong (in which case, the alarm thresholds will be easily passed).

Because it is 110 volts, but like most of them plugs directly into the outlet without a cord.

Don .

Sounds good. But I was unable to find it on the web.

Don .

Fair enough! From the HD site -specifications Features include a 3-way mounting option: plug directly into AC receptacle, mount on a tabletop using supplied 8-ft. power cord, or wall-mount. Digital readout continuously displays carbon monoxide levels from 30-999 parts per million. The display reads "Gas" when explosive gas reaches dangerous level. The loud 85 dB alarm sounds when CO and/or explosive gas reaches dangerous levels. This unit has a permanent sensor that never needs replacement. Another feature is the peak-level memory which means the unit will recall the highest level of CO present since previous reset. 5-year limited warranty.

Okay. I wonder where the prongs go when wall mounted? I'm heading down to Home Depot now to see what they have. Locally all CO detectors are sold out. It wouldn't surprise me if HD is also. But I need some flower bulbs, so my trip won't be wasted.

Don .

Don't know. Mine has the cord permanently attached with a keyhole slot on the back to hang on a screw or nail in the wall. Mine cannot stand on a table or shell, since the cord comes out of the bottom.

Don't know. Mine has the cord permanently attached with a keyhole slot on the back to hang on a screw or nail in the wall. Mine cannot stand on a table or shelf, since the cord comes out of the bottom.

Fine. I'll read about you and your family in the obituary's...

Mine has only gone off once and that was not a false alarm. Believe me, my systems are top notch tuned up.

Have home depot ship you one from their website.

If the CO levels in my home get high enough to cause death, my CO detectors will most definitely trigger (as will pretty much all CO detectors out there).

The "low level" detectors mentioned will catch very low level exposure to CO, which may cause health problems, but most certainly won't cause death.

Co detectors, % level of Co to sound alarm was raised a few years ago as to reduce false alarms. A few years ago in Chicago a weather inversion layer caused apx 1100 false alarms to the fire dept. They are safe today and can be checked for Peak Co reading in memory on many models like Nighthawk digital.

Those were primarily the Biomimetc type of alarm as made by manufacturers such as Quantum/First Alert. the UL standard was subsequently amended to prevent a repitition.

Currently the electrochemical cell type is best bet for long term integtrity.

Really? The ones you are talking about _don't_ always go off..... I know.