Martech 600 Air Quality Test Kit provides an instant, on-site analysis of compressed air systems for a wide range of applications. Simple to connect and easy to operate with a short test time and immediate results. Identifies compressed air contaminants that lead to tool and equipment failure resulting in lost productivity. The kit contains 25 diskettes, a diskette holder with psi flow gauge, a high density light, magnifying stand, quick disconnect, and easy to follow instructions.