Semi-micro, Self-masking Quartz Cuvette, 10mm, Style DFeatures 12. 5 x 12. 5 x 45mm Options Order code Description CUV2031 1 V=1. 4mL Beam Width 4mm CUV2032 1 V=1. 0mL Beam Width 3mm CUV2033 1 V=0. 7mL Beam Width 2mm CUV2034 1 V=0. 35mL Beam Width 1mm See the current Data Sheet. Technical Characteristics Spectral Range (>80%): 200 2500 nm; Transmission Difference between different cuvettes: Less than 1% (Typical transmission curves of synthetic quartz cuvettes were measured empty, thickness 1. 25 mm x 2,