Heidelberg Medical is the exclusive manufacturer and worldwide distributor of the Heidelberg pH diagnostic System and Heidelberg pH capsule used to perform the Heidelberg pH diagnostic testA Heidelberg pH diagnostic test is an in-office procedure that takes an average 35 minutes and assists in diagnosing digestive disorders and correcting the unbalanced pH conditions in the digestive process. There is no discomfort or trauma associated with a Heidelberg pH test. During testing the patient is relaxed and test results are available to the doctor as soon as the test is complete.