The DX series controllers are economical, highly precise, and repeatable. They are equipped with a digital timer and a continuously adjustable holding vacuum to prevent dripping of low-viscosity media. The dispensing system is available in two versions: Working pressure from 0 to 6.9 bar (0-100 psi) for general-purpose applications (DX-250) Working pressure from 0 to 1 bar (0-15 psi) for low-viscosity media (DX-255) - economical, highly precise, and repeatable - suitable for all liquids - Type/Working pressure:DX-255/0-1 bar - 1 universal power supply - 1 foot switch - 1 stand - 1 compressed air hose - 1 cartridge (10 cm³) with cartridge adapter and dispensing needle kit