... design.1200RS VIS Spectrophotometer Performance SpecificationSpectral Bandwidth 5nmMonochromatorSingle beam, C-T type, grating 1200L/mmWavelength Range 335nm - 1000nmWavelength ... Accuracy±2nmWavelength Repeatability 1nmDisplay Mode LED displays T, A, F, C, λStray Light ≤0.5%T(360nm)Photometric Accuracy ±1 ... % T, 0.3-2.5 A, 1-9999 F, 0-9999 CData Output USB, digital output,Sample Holder ...