... by built-in MCU, displays by two LED screens each with four digits. One displays wavelength value, the other displays transmittance, absorbance, factor and ... 1200L/mmWavelength Range 335nm - 1000nmWavelength Accuracy±2nmWavelength Repeatability 1nmDisplay Mode LED displays T, A, F, C, λStray Light ≤0.5%T(360nm ...