Options for High-Traffic Areas
Beyond social distancing, hand washing, and asking people whether they’re experiencing symptoms, what are the most efficient options for helping to reduce risk of transmission? While the most comprehensive solution is to use medical device like a thermometer, there are several disadvantages: individual temperature checks require time, proximity, personnel to use the device, and protective gear to keep workers and other customers safe. A thermal imaging camera that can measure skin temperature from a safe distance would be more efficient and have less impact on throughput. Thermal screening can also reduce the number of people who need direct checks with a thermometer. Only those people who appear to have an elevated skin temperature would need secondary screening with a medical device.
Bringing Thermal into
How would you incorporate this kind of imaging in your frontline screening plan? You could set up a FLIR thermal camera on a tripod at an entryway to screen people as they come in. Each person will need to stop briefly at a marked point in front of the camera for a quick screening. Anyone monitoring the thermal image won’t really be able discern the person’s features or tell who it is. But they will be able to measure apparent skin temperature and see it displayed on screen. If the person’s skin temperature appears normal, they can proceed past the check station while the next person is screened.
Many FLIR thermal camera models include FLIR Screen-EST™ Mode, a builtin temperature screening that makes this process even easier. First, this mode can help you find the average skin temperature for people moving through your location. This is important because ambient factors such as air conditioning, outside temperatures, and even time of day can affect body temperature.
Based on this average, you can then see who appears to have a higher skin temperature. You can even set an audio or color alarm on the camera that will go off when the camera detects an above average temperature. From there, you will know who to check for a fever using a thermometer or other medical device In addition to on-camera screening mode, FLIR offers a desktop software that works in conjunction with the thermal camera further enhancing the screening process. FLIR Screen-EST™ Desktop Software has features like auto face detection and auto average sampling. Cameras are connected to the software by standard cabling or Wi-Fi.
Thermal Cameras can’t detect
Fever or Illness
It’s important to understand that no thermal camera can diagnose illness or see a virus. They also should not be relied upon to determine if someone has a fever. What thermal cameras can do is tell you whether the person being screened is displaying an above-normal skin temperature. That means you can screen a lot of individuals quickly and only pull aside those who appear to have a high skin temperature for secondary checks with a medical device.
MORE TO EXPLORE
FLIR has many resources to help you better understand thermal imaging for elevated skin temperature screening, including camera recommendations, tips for using screening mode, and an FAQ page. To learn more, go to FLIR.in/EHS
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