Cylindrical Quartz Cuvette, 100mm path, Style GSee the current Data Sheet. Features 102. 5 L x 22mm OD 28 mL V Beam Width 19mm 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, including surface reflections, measured with a TIDAS II against air as reference).