The 6500 Series photostability chambers are designed to meet all ICH Option 1 and 2 requirements for photostability testing. Option 1 chambers provide simultaneous UVA and VIS exposure with D65 lamps. Option 2 units, with fluorescent, cool-white and near-UV lamps, allow sequential or simultaneous exposure. When the target exposure has been reached, the lights automatically shut off without timers. All upright and benchtop models offer temperature and humidity (optional). Call 800/648.3042.