![]() ![]() Make a measurement in the sun then make a measurement under your shade structure or behind your window. Press and hold the button to display the UV index. To find out, from inside your house, point the meter towards the window. Press and hold the pushbutton to display the UV index. To find out hold the meter vertically in front of your body with an outstretched arm so the sensor is pointing upwards and the sensor is fully shaded by the structure. How much UV is there under your shade structure? This meter is particularly useful for comparing the UV levels in sunlight with the levels under a shade structure or behind a window to see how much protection is being provided. you may wish to record the reading and the time of day.press and hold the pushbutton to display the UV Index.hold the meter vertically in front of your body with an outstretched arm so the sensor is pointing upwards and there is no shading over the sensor.stand clear of any buildings and trees if possible so you can see the open sky.(remember to hold the meter vertically, not pointing directly at the sun) Follow these instructions to measure the UV index in full sun: Even when the UV index is lower than 3 you should use sun protection if you are out in the sun for more than an hour. At a UV index level of 3 and above there is a need to use sun protection. The higher the UV index is the greater the possibility is for sun damage to your skin and eyes and the less time it takes for harm to occur. The UV index ranges from 1 and 11+ and alerts people about the need to adopt sun protective measures. Overexposure to solar UV radiation can increase your risk of developing skin cancer and eye disorders. It is an educational tool developed by the World Health Organization (WHO) to raise public awareness of the risks of overexposure to UV in sunlight. The UV index is a measure of the level of solar UV radiation reaching the Earth’s surface. The Solarmeter 6.5 displays its measurements as a 'UV index'. Measurements are best done on a sunny, clear day when the sun is high in the sky which is usually around midday. This will allow you to measure intensity of UV in sun light or to estimate the amount of protection offered by shade structures, windows and skylights. This meter, the Solarmeter 6.5, measures the level of ultraviolet radiation (UV) received from the sun.
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