A sensitive UV photodiode forms the sensor for this simple UV detector suitable for quantitative measurements at UV wavelengths as well as normal visible light.The detector is housed in a “wand" so that it can be placed inside the UV test rig. In use the instrument is connected to a standard digital voltmeter which then enables a full range of intensities to be measured.Wavelengths in the range 190nm to 1100nm are covered. Power is from an enclosed 9V PP3 battery.
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