Ok international is a manufacturer of digital dispensar and controller. The company offers a wide array of fluid dispensing devices and products and provides dispensing components and fluid dispensing equipment ranging from disposable accessories to complete microprocessor controlled fluid dispensing systems. Digital dispensers are available in two versions digital dispensers/controllers, as well as floor mounted foot valve dispensers. The dx-350 digital dispenser/controller offers the option of programming up to 10 programs. It is intuitive to use and allows for reproduction of sequences of beads or dots with high repeatability. The system includes an adjustable vacuum feature for controlling drip of fluids between dispense cycles. A vacuum gauge is included monitor suck-back. Among the two versions of operating pressure: 0 to100 psi for general applications, and 0 to 15 psi for specific low viscosity applications. The dx-300/315 series is immediately usable with sample tips, barrels, syringe adapters, and a universal power supply. The salient features of the digital dispensar and controller programming option up to 10 programs: