The Selectra ProXL is the most advanced Selectra Pro system to date. The updated design with an integrated touch screen, peltier reagent cooling and internal optimized ISE module have been designed to help increase lab productivity and reduce errors in processing. Selectra ProXL comes complete with a built-in menu of ready to use, liquid stable reagents and can work to provide a fully integrated, automated chemical analyzer for medium sized labs. The device can run up to 450 photometric and electrolyte tests per hour and can be used to give laboratories primaey, STAT or back-up testing needs. The system will need minimal maintenance to function fully and offers an effective use of consumables which will help to reduce operational costs.