can it detect levels of 20,30 or 40 ppm of CO? I know alot can only detect 70 ppm of CO or above...but I'm concerned of a small CO leak of below 70.
1418685
This unit probably detects CO at less than 30 ppm, but is not allowed to display that level unless a button is pushed. In this case, the peak level the alarm detected since last reset is what will show, not the current ambient level. From 30 to 70 ppm, the display can show the ambient level, but the alarm will not sound until it's been in that range for 30 days, as mentioned. At 70 ppm, the alarm is not to sound for at least an hour, and no more than 4 hours. That's UL requirements, which most codes across the US adhere to.
1418686
If you push the button to check the current level, will it be displayed? I read in a review that responders would not enter the house without respirators when the house read at 30 ppm (with windows open). Sounds like buying cheap is a big gamble.
1418687
Per the instruction sheet that came with the detector, this unit is designed NOT TO RESPOND when exposed to a constant level of 30 ppm for a period of 30 days and WILL NOT DETECT gas at levels below 30 ppm.
311033
Yes, It Will Give You Results In PPM. Detection Range Is 0.05- 1.0 PPM. Thank You
496038
One. The gas (CO or Natural) must come into contact with the sensors. The device cannot detect gases remotely.
385799
Yes. You have to dial it in a little, but works great. Make sure you use a bubble counter to measure the amount of cO2 being dispursed. I use about 1-2 bubbles per second for 29gal. This also has a built in solenoid which is very convenient. Just use a basic light timer with it. Hope this helps :)
4875
You can kind of tell that a canister is running low on CO2 as it doesn't "whistle" as much. Since we drink carbonated water an awful lot, I bought an extra canister so that I always have a full one on hand should one run out.
1897537
I've used one in an insulated garage workshop for 12 hours at a time over the course of that last two winters. I have two carbon monoxide detectors installed for this reason, and to date neither have registered a reading on their digital display. A couple years ago I used two in the house when we lost power for a week and never had a problem.
1516053
looks like its a NATURAL GAS detector..... will it detect other explosive gasses? dunno
2139579
It works on detection. If the air is polluted, it will automatically turn on higher to filter it, ie..cigarette smoke, cleaning solutions, food odor, kids farts..:)
1686000
I can't guarantee it, but I would think not. It lists that it detects propane/natural gas but doesn't list butane.
1960472
Not that I could see, but I haven't used it a lot yet. From what I understand, if you use it all the time it may eventually wear out the O2 sensors faster, but if you have enough money to run this stuff all the time in every tank then I guess it's a small price to pay!
2242909
Two alarms in one - detects carbon monoxide and explosive gasThree convenient mounting options - direct-plug, 6-foot power cord, and table topDigital display shows the level of carbon monoxide the unit is sensing so the unit updates this reading every 15-secondsPeak level button displays the peak CO level recorded by the alarm since it was last reset or unplugged9-Volt battery backup provides continuous protection, even during power outages7-year end of life warning alerts user to replace CO alarm after 7-years of operation (40-percent longer than other CO alarms)UL Listed..... Two alarms in one - detects carbon monoxide and explosive gasThree convenient mounting options - direct-plug, 6-foot power cord, and table topDigital display shows the level of carbon monoxide the unit is sensing so the unit updates this reading every 15-secondsPeak level button displays the peak CO level recorded by the alarm since it was last reset or unplugged9-Volt battery backup provides continuous protection, even during power outages7-year end of life warning alerts user to replace CO alarm after 7-years of operation (40-percent longer than other CO... » Read More Two alarms in one - detects carbon monoxide and explosive gasThree convenient mounting options - direct-plug, 6-foot power cord, and table topDigital display shows the level of carbon monoxide the unit is sensing so the unit updates this reading every 15-secondsPeak level button displays the peak CO level recorded by the alarm since it was last reset or unplugged9-Volt battery backup provides continuous protection, even during power outages7-year end of life warning alerts user to replace CO alarm after 7-years of operation (40-percent longer than other CO alarms)UL Listed..... « Show Less
891537
I checked the accuracy by using a charcoal canisters {2 separate tests} from a good, local lab...so I trust the lab results were accurate as benchmark. The meter read about 45% higher. The canister was 9 and meter about 13 on one test, and appx same on second test. So I just adjust divide my meter reading my 1.45. So if meter reads 2....divide by 1.45=1.38. In other words....if you increase 1.38 by 45% you have 2.00.
1280152
fire always brings Carbon monoxide. So if there is fire this will always go off. Can it replace a smoke detector > no just like smoke detectors can not detect CO.
2242907
From the manual... CO displays from 30 to 999 pm. Alarms at 70 ppm within 60 minutes, 150 ppm 10 - 50 minutes, 400 ppm 4-15 minutes. For methane displays "GAS" . Will alarm before gas reaches 25% of lower explosive limit.
1476067
I have used it for R134A and R12. It works better than any other detector i have used over the years and it is unaffected by the wind which is a big plus. You have to be patient as it takes a few minuits to warm up. However there is still no substitute for pressure testing with compressed nitrogen to determine leak locations.
2083892
Yes, but I have not field tested yet! The manual says that is does detect explosive gas! Hold on let me try! It works! With my torch! Installed rigth by my gas boiler! 224. PPL. Get its good! Install on wall 6" off ceiling
1516994
Although it calls for a detection of 60 ft. in the item description, I have used it for a 20 ft. detection. It works well for the 20 ft.; however, I don't know how it will perform beyond that.