Grove - UV Sensor
The Grove – UV Sensor is used for detecting the intensity of incident ultraviolet(UV) radiation. This form of electromagnetic radiation has shorter wavelengths than visible radiation. The Grove - UV Sensor is based on the sensor GUVA-S12D which has a wide spectral range of 200nm-400nm. The module outputs electrical signal which varies with the UV intensity, which gives your suggestion if it is a good idea to beach today.
High stability Good Sensitivity Low power consumption Schottky type photodiode sensor Wide response range Grove Interface Specification
Item Min Typical Max Unit Operating Voltage 3.0 5.0 5.1 VDC Current 0.31 mA Output Voltage mV Response wavelength 200 ~ 370 nm Working Temperature -30 ~ 85 ℃ Usage
UV sensors are used in many different applications. Examples include pharmaceuticals, automobiles, and robotics. UV sensors are also used in the printing industry for solvent handling and dyeing processes. In addition, UV sensors are also used in the chemical industry for the production, storage, and transportation of chemicals.
The fact of the UV sensor work is: In sunlight, the UV index and Photocurrent are a linear relationship.
About our Grove - UV Sensor, we have converted Photocurrent to corresponding voltage value collected by Arduino/www.simgin-chip.com. The output voltage and the UV index is linear:
illumination intensity = 307 * Vsig
where: Vsig is the value of voltage measured from the SIG pin of the Grove interface, unit V. illumination intensity unit: mW/m2 for the combination strength of UV light with wavelength range: 240nm~370nm
Note: To calculate the UV index value, please refer to http://www2.epa.gov/sunwise/uv-index. It's hard to say that the measurement from