... | @@ -177,14 +177,15 @@ instantaneous sensitivity requirement comes from. |
... | @@ -177,14 +177,15 @@ instantaneous sensitivity requirement comes from. |
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- based on \[6\] (from [Solarlight: Sensors - Biologically
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- based on \[6\] (from [Solarlight: Sensors - Biologically
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Weighted UV-B Detector
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Weighted UV-B Detector
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PMA2101](http://solarlight.com/wp-content/uploads/2014/10/Sensors_PMA2101.pdf)).
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PMA2101](http://solarlight.com/wp-content/uploads/2014/10/Sensors_PMA2101.pdf)).
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- Solar UV index: time weighted average effective UV irradiance in Wm-2 multiplied by 40 (Watts = joules/sec). \[16\]
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- 1 UVI: standard mid-day solar radiance in Nothern hemisphere
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- 1 UVI: standard mid-day solar radiance in Nothern hemisphere
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(Canada?) (weighted with the Erythemal action spectrum), and then
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(Canada?) (weighted with the Erythemal action spectrum), and then
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divided by 10.
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divided by 10. (reference?)
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- 1 UVI = 2.5 µW/cm²
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- 1 UVI = 2.5 µW/cm²
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- 1 UVI = 25 mW/m²
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- 1 UVI = 25 mW/m²
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- 1 MED: that dose of UVR required to produce a barely perceptible
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- 1 MED: that dose of UVR required to produce a barely perceptible
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erythema in people with skin type 1 (200 Jm-2 of biologically
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erythema in people with skin type 1 (200 Jm-2 of biologically
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effective UVR) \[5\].
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effective UVR) \[5, 16\].
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- 1 MED corresponds to the UV dose necessary to get a light sunburn in
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- 1 MED corresponds to the UV dose necessary to get a light sunburn in
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20 minutes, on light skin, e.g. 21 mJ/cm2 at 297 nm radiation.
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20 minutes, on light skin, e.g. 21 mJ/cm2 at 297 nm radiation.
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- **1 MED/hr = 5.8 µW/cm²**
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- **1 MED/hr = 5.8 µW/cm²**
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... | @@ -192,6 +193,8 @@ instantaneous sensitivity requirement comes from. |
... | @@ -192,6 +193,8 @@ instantaneous sensitivity requirement comes from. |
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- 1 SED = 0.01J/cm²
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- 1 SED = 0.01J/cm²
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- 1 SED/hr = 2.78 µW/cm²
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- 1 SED/hr = 2.78 µW/cm²
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- 1 SED/hr = 1.11 UVI
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- 1 SED/hr = 1.11 UVI
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- 1 SED: erythemally weighted radiant UVR equivalent to 100 Jm-2 \[16\]
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- 2 SED = 1 MED (concluding from \[16\])
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See also
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See also
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... | @@ -292,9 +295,10 @@ Ultraviolet radiation](https://www.who.int/uv/en/) |
... | @@ -292,9 +295,10 @@ Ultraviolet radiation](https://www.who.int/uv/en/) |
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Available for purchase. [Extract](https://www.iso.org/obp/ui/#iso:std:iso-cie:17166:ed-1:v1:en)
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Available for purchase. [Extract](https://www.iso.org/obp/ui/#iso:std:iso-cie:17166:ed-1:v1:en)
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\[14\] [*Assessment and Comparison of Methods for Solar Ultraviolet Radiation Measurements*, Kirsti Leszczynski, June 1995](uploads/3006e766b591a908c3f829ad2dc4daeb/Leszczynski.pdf)
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\[14\] [*Assessment and Comparison of Methods for Solar Ultraviolet Radiation Measurements*, Kirsti Leszczynski, June 1995](uploads/3006e766b591a908c3f829ad2dc4daeb/Leszczynski.pdf)
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\[15\] [International Sun Protection Factor (SPF) Test Method](https://downloads.regulations.gov/FDA-1978-N-0018-0698/attachment_65.pdf), 2006, [COLIPA](https://www.colipa.com)
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\[15\] [International Sun Protection Factor (SPF) Test Method](https://downloads.regulations.gov/FDA-1978-N-0018-0698/attachment_65.pdf), 2006, [COLIPA](https://www.colipa.com)
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\[16\] [Solar ultraviolet radiation: Global burden of disease from solar ultraviolet radiation](https://www.who.int/publications-detail-redirect/9241594403), World Health Organization, 2006
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20 December 2021
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13 July 2023
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