... transmittance, absorbance, factor and concentration value.Built-in RS232 digital output, with Specsoft application software based on ... design.1200RS VIS Spectrophotometer Performance SpecificationSpectral Bandwidth 5nmMonochromatorSingle beam, C-T type, grating 1200L/mmWavelength Range 335nm - ... Repeatability 1nmDisplay Mode LED displays T, A, F, C, λStray Light ≤0.5%T(360nm)Photometric Accuracy ...