We are offering photostability chamber. Technical specification temperature range: 20ã�â°c - 50ã�â°c accuracy: + 0.2 ã�â°c uniformity: + 1.0ã�â°c for confirmatory studies, samples should be exposed to light providing an overall illumination of not less than 1.2 million lux hours and an integrated near ultraviolet energy of not less than 200 watt hours square meter to allow direct comparison to be made between drug substance & drug product.