#FEATURES OF THE INSTRUMENT: Using ultraviolet ray to do fluorescent light analysis and apraisal is now widely applied. The ZF-7 Hand Ultraviolet Ray Examining Lamp manufactured by our factory is a kind of small-scale ultraviolet ray analyzing appliance better seen is China. Applying with electronic integrated piece starting light source,the appliance is small and convenient to use at all times which wins favorable comment by wide customers after it’s born. The appliance can be used in examining DNA-E·B and DNA Stripe Belt of CsCl Density and Gradient Centrifugal Pipe. Moreover,it could also be used in Organism Genetic Engineering,Molecule Genetic Engineering,Medicine Hygiene,Biological products,Pharmaceutics Research,Hygiene and Epidemic Prevention,Dyestuff Chemistry,Textile,Public Security and politics & Law Bureau,Cultural Relic Archaeology Organization,and all other lnstitutes engaging in fluorescent light analysis and appraisal.