Vertex™ Base Rack Enclosure: This enclosure contains the data acquisition centre, redundant pumps and power supplies, touch screen keyboard, all cable management and ancillary support necessary to install up to nine (9) Analysers, and an accessory kit. Accessory Kit includes backup CDs of all appropriate software, electronic manual, installation drawings, auxiliary analyser key and 50 feet (15m) of exhaust tubing. This unit should be ordered with one of the relay or serial communications interfaces detailed in this price list.