Solarmeter 6.5R UVI RadiometerTake the guesswork out of replacing UVB lighting in your vivarium by using this Solarmeter Radiometer. Simple to use Ensures your vivarium has the right levels of UVB light for reptile health Can save resources by ensuring you change bulbs at the right time Why Use A Radiometer The correct level of UVB lighting in your vivarium is essential to help your reptiles product vitamin D and to prevent behavioural and physical problems with your pet. There