Product Name: B0160917 deuterium lamp and B0114620 Tungsten lamp B0160917 deuterium lamp and B0114620 Tungsten lamp Product Description: The light emitted by PerkinElmer's long life gas lamp and tungsten lamp can cover the entire working range of the spectrophotometer. All deuterium lamps JB0160917 and tungsten lamps B0114620 are pre-collimated and can be easily changed by the user. We use a large number of quality control and inspection methods to ensure that the quality of the product has a high level of sensitivity and stability when you make critical measurements