The compressed air supply should follow for all test systems in DIN ISO8573-1, the following classification:
Particle class 2 (<= 5µm)
Water class 3 (pressure dew point -20°C)
Oil class 2 (<= 0,1mg/m3)
For pollution by liquids or solid particles in the pneumatic circuits and the resulting damage to the pneumatic components and damage the pneumatic components by applying an external pressure on the test item connection no warranty or liability is accepted. This also applies for any consequential damages in test or test parts.