Light spectrum Response of Linshang LS126A UV irradiometer 340nm-420nm, the instrument is calibrated to 395nm LED light source, power measuring range 0~20000 mW/cm2, power resolution 1 mW/cm2, energy measuring range 0 - 9999999mJ/cm2, test hole diameter < 3mm, probe size length 28mm × width 7.2mm × thickness 6.5mm.