... beam ratio monitoring system. CE Certified Features:1 Wide wavelength range, satisfying requirements of various fields2 The split-beam ratio ... be achieved for more accurate and flexible requirement.Specifications:Wavelength Range: 190-1100nmSpectral Bandwidth: 2nm(5nm, 4nm, 1nm, 0.5nm ... Photometric Reproducibility: 0.2%TWorking Mode: T, A, C, EPhotometric Range: -0.3-3AStray Light: ≤0.1%T(NaI, 220nm, ...