Request InfoBentham Instruments Ltd.The BLS1000 and BLS1800 lamp measurement systems from Bentham Instruments Ltd. are equipped with 1.0- and 1.8-m-diameter integrating spheres, respectively. The systems are available with a variety of lamp holders for miniature incandescent, compact fluorescent and tubular lamps up to 1200 mm in length. Each system is supplied with an NPL traceable standard of luminous or spectral flux, and either a filter-based photometer or a scanning spectroradiometer. Lamps can be changed easily.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2023 IssueConstant Voltage LED DriversThe GP-CVP075P-xxVH-T02 Series from GlacialPower are constant voltage LED drivers that have an AC phase-cut dimming feature. 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