1,Figures show that wavelength. 2,Automatic 0%(T) and 100%(T)calibration. 3,Display of concentration data ... ≤0.5%T(360nm)Photometric RangeT,0~199.9% ,A,-0.3~2.5Abs,F,0~9999,C,0~9999Transmittance accuracy±1.0%TTransmittance Repeatability±0.5%TStability≤0 ...