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A UV meter can help detect if your plants are being exposed to high levels of detrimental UV radiation, and to check the effectiveness of UV filtering materials. In general, a UV meter will measure the quantity of light in the 250-400nm range. Specific meters are also available for individual UV ranges.
The Field Scout Light Meters are accurate to ±5%. Cosine
correction is accurate to ±3% at 45°, and ±7% at 80°.
Calibrated to display the intensity of ultraviolet light in the 250-400 nm wavelength
range in units of µmol m-2 s-1 (the number of photons in
units of micromoles, striking an area one meter square each
second). The meter displays 0-199.9 µmol m-2 s-1.