Will Greenwald has been covering consumer technology for a decade, and has served on the editorial staffs of CNET.com, Sound & Vision, and Maximum PC. It’s battery-operated and portable, and it claims to be accurate even in dusty and humid conditions. The Corentium Home Radar Detector by AirThings looks like a cell phone and runs a little under $200. A colored LED ring sits hidden in the center of the panel, indicating the air quality by glowing green, yellow, or red when you wave your hand over the device. Accuracy and precision are not synonymous. You've finally reached the point where you'd like to purchase a radon test or detector. Bloomsburg, however, is in coal country, and the results I found after leaving the Wave in my parents' finished basement for a week were disturbing. Charcoal test kits are vulnerable to user errors. Just move it between rooms on a weekly basis and track the numbers for that week to get a fairly accurate reading. Four of 14 laboratories (29 percent) were not proficient in radon testing in batch 2. Simply wave in front of the detector to get a visual indication of your radon levels. It is odorless, colorless and tasteless. It’s battery-operated and portable, and it claims to be accurate even in dusty and humid conditions. Airthings Digital Detectors: Vigorously tested before going to market using an industry-standard Alphaguard Professional monitor as a reference device. Moisture wreaks havoc on charcoal kit test results. If you detect unsafe levels of radon in your home (higher than 4.0 pCI/L according to the EPA), you should seek out a radon mitigation service. So, accuracy is of the utmost importance. It tracks radon levels accurately and lets you monitor the temperature and humidity of the room in which you place it. The Wave measured 28 pCi/L, nearly ten times what the EPA considers a dangerous level of radon. Radon is a naturally occurring, radioactive gas that comes up from the ground and can accumulate to unsafe levels in the home. The graphs used are easy to read and interactive. That isn't a whole lot of functionality for $200, but if you have a house in a radon belt and want to keep it safe without regularly buying and mailing off test kits, it's very useful. Precision is the closeness of two measurements to each other. Add to Cart . Both routes will give you information about levels of radon in a space, but active monitors are generally more accurate in nature because there are less potential problems with user and lab errors. In stock. You can track your air quality using the free Airthings Wave app for Android and iOS. Laboratories […] were sent a small number of passive 48-hour test devices for the purpose of estimating analytical precision and accuracy […] A laboratory is considered proficient in radon testing when all of the results in a batch of performance tests are within 25 percent of the reference value. Here is a quick summary of our response: Charcoal: Results are vulnerable to environmental elements, the tests are prone to user error, and provide no visibility into fluctuations. Six of 14 laboratories (43 percent) were not proficient in radon testing in batch 1. 291. As previously mentioned, charcoal is a very active compound. Their main difference is what they can measure. For example, if you weigh something six separate times and get 7.3 grams each time, you have a very precise measurement. App and dashboard enabled. Expensive compared with charcoal detection kits. Sign up for What's New Now to get our top stories delivered to your inbox every morning. It seems like the Airthings Corentium Home 223 is the ultimate radon detector, one that literally fulfills all the needs when it comes to monitoring radon levels in the air. The Corentium Home by Airthings radon detector is a portable, lightweight radon measuring instrument that combines ease of use and accuracy. In order to understand these issues, though, it's important to hear a bit of history. First, it's important to understand that because radon is a gas, it's very dynamic. It updates readings every 10 minutes so you can have constant accurate data. It is not unusual for radon levels to fluctuate by a factor of 2-3 over a 24-hour period. Radon detection kits cost around $12 to $17, not counting any additional lab feeds (as a tip, look for kits that don't have lab fees, even if they're more expensive; you'll save a lot of money when you get the results back). Naturally, that can create a breeding ground for inaccurate lab results. 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