The two detectors are used to measure sample and reference respectively and simultaneously for optimizing measurement accuracy.Lamp Selection enables conserving the life of D2 & Tungsten lamps. Real time clock for date & time stamping of results.LIGHT PATH DESIGN: DOUBLE BEAMLMSPUV1900 double light design can prevent circuit fluctuation and stray light to ensure stability of the instrument.

Double Beam PharmaSpek 21CFR UV-VIS Spectrophotometer 21 CFR/ FDA Compliant Variable/ fixed Bandwidth Options 1nm Fixed BW 0.5-2nm Variable BW. Available with Double-beam and split beam designs, Ultra-low stray light =0.03%, Support storage & printing with USB devices, Controlable by UV workstation for extended functions.