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About Advanced Calibration Designs

Advanced Calibration Designs (ACD) was founded in 1988 with the mission to develop and manufacture the most dependable, accurate, reliable, and affordable gas calibration standards in the world.  ACD's Calibration Gas Instruments are the best solution to your calibration gas needs.

The Singular Solution

The unique approach to generating certified calibration gases on demand means that ACD can provide solutions to some of your gas sensor calibration needs that simply cannot be achieved through other methods.