A flexible and highly sensitive differential pressure decay tester, with an optional second channel pneumatics module. The Qualitek 3000 is capable of complex test sequences and is equally at home in industrial test systems and laboratory bench top environments. The Qualitek 3000 tester has a large graphical display and an intuitive keypad layout providing clear step-by-step programming assistance. By simply selecting one of the 150 programs available, the unit is ready to test components and assemblies that have the most stringent leak test specifications. Programs can be uploaded or downloaded via one of the three databus protocols available