UV Detector
UV Detector helps to alert the user awareness of harmful to the human's health in excessive amounts of sun's UV radiation. It is intended to supplement, not to replace, good judgment, use of sunscreen and other precautions to avoid overexposure to UV radiation. However, it will not used to prevent sunburn, wrinkles, skin cancer or any other risks associated with UV radiation exposure.
There are some factors that can affect the UV index measured by the UV detector.
1.under extreme temperature and humidity
2.when exposed to artificial UV radiation sources
3.when surface of the sensor is not clean
UV Index (UVI) Chart
| UVI
|
UV Ray (280nm-400nm) W/m2 |
Exposure Level |
Effect on
Human Body |
Suggestion
for Protection |
| 0-2 |
5 or below |
Low |
No effect |
No need to take measure |
| 3-5 |
5-10 |
Moderate |
No effect |
Apply sun lotion if
necessary |
| 6-7 |
10-15 |
High |
Little Harmful |
In addition to take
hat, sunglasses or umbrella, sun lotion (SPF 15 or above) should be applied |
| 8-10 |
15-30 |
Very high |
Harmful |
Better stay indoor
or shadow area between 10:00am and 4:00pm during day time |
| 11 or above |
30 or above |
Exterme |
Extremely Harmful |
Stay indoor preferably.
You should take adequate protection when outside. |
|
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