The instruments are designed for separate measurement of energy illuminance in spectral ranges :
in the UV-C spectral range (200 ÷ 280) nm
in the UV-B spectral range (280 ÷ 315) nm
in the UV-A spectral range (315 ÷ 400) nm
UV-radiometer with attenuating filter is specially designed for applications where high irradiance values need to be measured for long periods of time. The attenuating filter is a non-removable element, it is included in the input lens.
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