Safety Siren Pro Series HS71512 3 Radon Gas Detector
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Tools and Hardware Reviews of Safety Siren Pro Series HS71512 3 Radon Gas Detector
Customer Review: Easy to use and accurate
Summary: 4 Stars
This was very use to use and accurate. This is one of the only radon detectors on the market that gives you instant feedback. Most require you to send results into a lab.Customer Review: Everyone should have one
Summary: 5 Stars
A few months ago I did the radon canaster tests in the lower level of my bilevel. My son had moved down there and I was concerned there could be a problem. The 2 canasters came back with an average reading of 4.1. While that isn't high, I was concerned. I purchased this unit and have been taking reading all over the house to determine where the radon point might be. FYI the reading that the canasters provided was almost exactly the same. I am still moving the device around the house, but I think I have discovered the spot in the house that is the worst. Even though my investigation isn't done, I would recommend this product so you have a hands-on device in finding the readings all over your house for one price. It's well worth the money and peace of mind.Customer Review: Excellent product for short and long term testing
Summary: 5 Stars
I purchased this device 2 1/2 months ago so that I could have an idea of what my long term readings are and how it changes week to week.
I was hesitant to purchase this product because I have read a number of reviews and comments about this device not being approved for sale in one or two states. However, I saw that this product was tested by a leading consumer magazine which gave this device a good rating. I believe that in order to get a good rating, the readings have to be within 20% of the actual level.
My belief is that my device gives readings somewhat higher than the actual level. Perhaps short term carbon testers give readings lower than the actual level. From what I read from the leading consumer magazine is that short term carbon tests from certain companies give poor readings, up to 40% off from the true level. The carbon tester I used was rated good, within 20%.
I used the carbon tester before the unit arrived to take some measurements. Based on the results, I feel my unit is giving me a reasonable reading (albeit somewhat higher). I also believe that my unit is very consistent in its readings so that the day to day changes are a true reflection of the change in radon levels.
This device measures average radon levels for the past week and also measures average radon levels since it was last reset. Since it provides an average reading over the last 7 days, any change I make to affect the radon level won't be completely accounted for until 7 days have gone by. However, if my readings are slowly dropping, then I think it is safe to assume that radon levels are lower than the current reading and vice versa.
I think the quality of the plastic covering the display could be substantially better. It is very thin, almost like cellophane. I would like to see a thicker piece of plastic. Nevertheless, the display is crisp and very bright (easy to read). It is always lit which I like. The unit comes with a UL listed power supply which is a big plus because I could not find anyone else that mentioned if the power supply was UL listed or not.
I would like to see a battery backup which it does not have. Unplugging it for a very brief period of time does not seem to reset it (a few seconds). However, I had two power surges (they were substantial) that made the device list an error code. Unplugging and re-plugging the device fixed the problem each time but this brought up another issue. The long term readings are probably only as good as the unit gets good power. I don't think I would be able to get a 6 month or 1 year average reading as I don't think my power is that reliable. If I want a 1 year average, I probably would have to purchase a long term test kit, but it would be frustrating to wait a whole year with no feedback. Even though I purchased this for long term testing, I still OK with it because I know what my long term reading is to date and can average it in to whatever it displays if I reset the unit.
Next year in February, I plan to purchase another charcoal kit and test the device. As long as the readings are less than 40% different, I will be happy; otherwise I will send the device back to be re-calibrated which is cheaper than buying a new one.
Despite the drawbacks, I give it 5 stars because it does what it was designed to do and I think it is the only game in town for an affordable electronic radon testing device. It measures down to 0.1 pCi/L.
I do suggest that if you buy this device that you also check it with a carbon device to make sure it is giving a reasonable reading. Please note that the short term carbon testers can be very inaccurate, so purchase one that has results that are within 20% of the real amounts. To find a good carbon testing kit, check with a leading consumer magazine.
Customer Review: Excellent, simple radon detector
Summary: 5 Stars
We purchased two of these units because the house we were testing indicated a very high radon level, and we wanted a second unit as a check on the first. In side-by-side comparison, both units indicated almost the same levels. We have been using them now for about eight months, in areas with radon levels from 1.0 pC/l to over 40 pC/l.
This unit appears to be the least expensive continuous-reading radon detector on the market. It is small, and it has no special installation requirements. Just place the unit where you want to test the radon level, and plug it in. The unit begins to indicate the radon level after 48 hours of operation.
The unit has a single display, which reads in picocuries per liter, the standard unit for measuring radon level. It has a single menu button, which performs various functions. The button toggles between two time periods, a short period that averages the previous seven days, and a long period that averages the total time since the unit was last reset by the user. The instructions are clear, and there is not much of a learning curve.
The unit has one annoying quirk. If the radon level exceeds 4.0 pC/l, the display will lock into long-term mode, making it impossible to observe the short-term effect of changing conditions, such as weather, opening windows, etc., without repeatedly resetting the unit. But, a call to the manufacturer revealed that pressing briefly on the menu button allows you to get a quick glance at the seven-day average.
In summary, this unit appears to be the only good choice within its price range. If you suspect a radon problem, the danger justifies getting a continuous-reading detector, such as this one, rather than a cheap one-shot test kit.
Customer Review: Fantastic Device
Summary: 5 Stars
My real estate broker lined up a certified Radon inspector to test the house we were going to buy. The water radon test came in with high levels so I assumed the air would too. The radon air test was a hassle to arrange, pay for ($300) and and then wait for the results. Because the sample was disturbed we had to start over. In the meantime we bought this device and it worked perfectly and was idiot-proof. The results matched the expensive lab test. Also, now I am checking my mother and other family member's homes and I don't have to incur any further costs. I highly recommend this product.